(Literature: Chumachenko Yu.T., Rassanov B.B. Automotive workshop: Tutorial to the implementation of laboratory and practical work. - Rostov n / a: Phoenix, 2002. Pp. 345-473)
Legend:
Correct answer
Wrong answer
?
According to their purpose, cars are distinguished:
Tractors, passenger, cars.
Freight, passenger, special.
Fire, sanitary, dump trucks.
The main parts of the car:
Chassis, body, engine.
Cabin, engine, frame
Chassis includes:
clutch, gearbox, chassis, wheels and tires.
transmission, running gear, control mechanisms,
Transmission, clutch, gearbox, running gear, control mechanisms.
The transmission consists of:
Clutch, gearbox, differential, wheels.
Clutches, gearboxes, driveline, one or more driving axles,
Gearboxes, running gear.
Chassis components
Front and rear axle, springs, wheels.
Frame, springs, shock absorbers, wheels and tires.
Frame, front and rear axles.
Frame, front and rear axles, springs, shock absorbers, wheels and tires.
The wheel formula "6x4" means:
The total number of bridges is 6, of which 4 are leading
The total number of wheels is 6 and they are planted on 4 axles.
The total number of wheels is 6, of which 4 are driving.
According to the method of formation of a combustible mixture and the type of fuel used, engines are distinguished:
With external mixing.
With internal mixing.
Ignition working mixture in engines is carried out using:
Electric discharge.
High degree of compression.
vacuum.
The extreme positions in which the piston changes direction are called:
NMT, TDC.
PMT, LMT.
The space in the cylinder released by the piston when it moves from TDC to BDC:
Engine displacement;
Full volume of the cylinder;
The volume of the combustion chamber;
The working volume of the cylinder.
The displacement of the engine is
The sum of the working volumes of all cylinders in cm3;
The sum of the volumes of the combustion chambers of all cylinders in cm3
Total engine displacement in cm3
Engine compression ratio means:
The ratio of the working volume of the cylinder to the volume of the combustion chamber;
The ratio of the total volume of the cylinder to the volume of the combustion chamber;
The ratio of the total volume of the cylinder to the working volume of the cylinder.
Engines internal combustion there are types:
Petrol
Diesel
Gas
cranked
The distance traveled by the piston from one dead center to another, called
stroke length,
working move,
Piston stroke.
Compression ratio y gasoline engine is equal to
The compression ratio of a diesel engine is
Compression is the pressure in the cylinder at the end of the compression stroke.
Technical condition (degree of deterioration) of the engine.
Engine durability.
State crankshaft and engine pistons.
The compression is greater than the compression ratio,
The compression is numerically equal to the compression ratio,
Compression less degree compression.
The quantity showing how much work the engine does per unit of time is called:
Engine power.
Maximum torque.
Power measured:
In kilowatts (kW) horsepower(hp),
In horsepower (hp),
In kilowatts/hours (kWh).
Engine torque:
Determines the traction force on the wheels of the car;
It is equal to the product of the force acting on the piston during the expansion of gases in the cylinder, on the shoulder of its action;
The more it is, the better dynamics car acceleration.
A stroke is a process (part of a working cycle) that takes place in a cylinder
For four strokes of the piston.
For two piston strokes.
For one stroke of the piston.
What in one cylinder of a four-stroke carburetor engine flows in the sequence: intake, compression, power stroke or expansion, exhaust?
Working cycle.
What is the order of operation of the cylinders in four-cylinder engine most commonly accepted?
What are piston rings?
Compression
Oil scraper
Intermediate
The most economical engine:
push-pull;
Four stroke.
The main parts of the gas distribution mechanism (GRM) are:
Camshaft,
intake and exhaust valves,
drive mechanism;
Exhaust manifold.
Which valve in the cylinder head most often fails:
Inlet
High school graduation
Neutral.
The lubrication system serves for as well as
To clean burnt parts,
Reduced friction of moving engine parts,
For cooling moving parts when heated during operation.
Marking battery used on cars (for example, 6ST-55EM) shows:
Number of batteries, purpose, battery capacity in milliliters, battery modification.
Battery voltage, purpose, battery capacity in milliliters, battery modification.
Number of batteries, purpose, rated battery capacity in ampere-hours, battery case material, separator material.
Car generator (choose the right ones) -
Converts mechanical energy into electrical energy.
Serves to power all consumers and charge the battery when the engine is running.
Basically it is three-phase alternating current with rectifier.
Feeds the starter when starting the engine.
The voltage it generates depends on the engine speed.
Equipped with a voltage regulator to maintain the voltage at a constant level.
Signs of a malfunctioning generator:
Constantly on when the engine is running control lamp on the instrument panel.
Rapid discharge of the battery.
The engine runs when the battery is disconnected.
Accelerated discharge of the battery while the engine is running may be due to:
Alternator drive belt slipping.
The built-in voltage regulator of the generator burned out.
Worn alternator bearings;
The terminals are oxidized electrical circuit generator battery.
Incorrect adjustment of the alternator belt tension can lead to
To increase the voltage of the on-board network;
To the heating of the generator due to slipping on the belt pulleys;
To undercharging the battery;
To rapid wear drive belt generator;
To failure of bearings due to increased loads on the generator shaft.
If the engine of a gasoline engine does not start, then first check:
Tire pressure;
The presence of fuel in the system;
The presence of sparking;
Charging the battery.
Battery life is approx.
The fluctuation of the speedometer needle occurs in cases
Wrong driving.
Poor fixation of the flexible shaft.
The presence of bends in the flexible shaft with a radius of less than 150 mm.
Lack of lubrication in the flexible shaft shell.
Lack of longitudinal movement of the flexible shaft.
Maintenance(TO) a car is
A set of measures that are carried out in order to prevent malfunctions.
A set of technical measures that are carried out in order to maintain the car in a technically sound condition, reduce the wear rate of parts and prevent malfunctions.
A set of measures that are carried out for the purpose of partial repair of a car.
Types of maintenance (TO)
Second (TO-2).
Daily Maintenance(ETO)
Monthly maintenance (ETO).
First (TO-1).
Seasonal (STO).
The pneumatic system of the brakes is sealed when
The air pressure in the system (7 kgf.cm2) with consumers turned off decreases by no more than 0.15 kgf.cm2 within 15 minutes.
The air pressure in the system (7 kgf.cm2) with consumers turned on decreases by at least 0.15 kgf.cm2 within 15 minutes.
The air pressure in the system (7 kgf.cm2) with consumers turned on decreases by no more than 0.30 kgf.cm2 within 15 minutes.
Tightness is not checked according to instrument readings.
Causes of increased steering wheel play:
Loosening mounting bolts.
Increased clearance in the bearings of the guide wheel hubs.
The gap is always constant and not adjustable.
Causes of tight steering wheel rotation
Low tire pressure.
There is no oil in the worm-type crankcase.
High tire pressure.
Incorrect steering adjustment.
Reasons for braking one of the wheels:
Breaking coupling springs ok pads.
Leakage brake fluid.
The brake system has air locks.
Stuck piston in brake cylinder.
Causes of skidding or pulling the car to the side when braking:
Different tire pressures.
Leakage of brake fluid from one brake cylinder.
There is no free play on the brake pedal.
Dirty or oily discs or pads.
Causes of engine overheating:
Too little fluid in the cooling system.
Fan belt loose.
Greased fan belt.
Motor overload.
Causes of engine overheating:
Poor quality fuel.
Fan belt slip.
The system is filled with water instead of antifreeze
The presence of scale in the cooling system.
Fan wear.
Causes low pressure oils in the lubrication system:
Reduced level oil in the crankcase.
The oil is diluted with fuel.
Causes of blue smoke in exhaust gases:
Oil enters the combustion chamber due to excess in the crankcase.
Worn oil seals.
Engine overheating.
Worn piston rings.
Reasons for the appearance white smoke exhaust gases:
Oil enters the combustion chamber.
Worn piston rings.
The engine is not warm.
Coolant enters the combustion chamber.
Causes of black smoke in exhaust gases:
Incomplete combustion of fuel.
Coolant enters the combustion chamber.
?
The density of the electrolyte of a fully charged battery for central areas should be:
As the battery discharges, the density of the electrolyte:
Decreases.
Increasing.
The gap between the electrodes of the spark plugs on the carburetor engine should be:
1.0...1.3 mm.
0.6...0.7 mm.
0.2...0.3 mm.
The gap between the electrodes of the spark plugs on an engine with a fuel injection system should be:
0.6...0.7 mm.
10 ... 15 thousand kilometers.
20 ... 25 thousand kilometers.
Only after the discovery of its malfunction.
The sensor, the malfunction of which will cause the engine to stop with the fuel injection system and the inability to start it again:
Crankshaft position sensor.
Coolant temperature sensor.
Sensor mass flow air.
any of the sensors.
The CHECK ENGINE warning light indicates:
About the operation of the engine with improved characteristics.
About the presence of a malfunction in the fuel injection system.
About the need to check the oil level in the crankcase.
Causes of knocking in the engine:
Increased valve clearances.
KShM parts are worn out.
The piston is not lubricated enough.
Signs of inappropriate composition of the combustible mixture prepared by the carburetor:
Uneven (up to a stop) engine idling.
Failures and interruptions when pressing the accelerator pedal (supply of the combustible mixture) during the acceleration of the car.
+ "shots" in inlet pipeline or in the muffler.
Failure of one of the spark plugs.
A short to ground on the tip of the spark plug or high-voltage wire.
The engine is too cold.
Causes of difficult engine start:
Damaged distributor cap.
Violated by the gap between the contacts of the breaker.
Wires fell out high voltage.
Starter defective.
The main systems "responsible" for starting and operating the engine are:
Supply system.
Cooling system.
Ignition system.
Lubrication system.
What are the most probable causes increased steering wheel play?
Increased wheel imbalance.
The most likely reason for the steering wheel not self-returning when exiting a corner is:
Damage to the working surfaces of the worm and roller.
Increased wheel imbalance.
No gaps in the engagement of the worm and roller.
The reason for the uneven effort on the steering wheel when turning:
Increased gaps in the engagement of the worm and roller.
Play in the joints of the steering rods.
Increased wheel imbalance.
No gaps in the engagement of the worm and roller.
Damage to the working surfaces of the worm and roller.
What are the most likely causes of patchy tire wear?
Play in the joints of the steering rods.
Increased wheel imbalance.
No gaps in the engagement of the worm and roller.
Increased gaps in the engagement of the worm and roller.
Damage to the working surfaces of the worm and roller.
The most likely causes of steering wheel vibration while driving are:
Increased gaps in the engagement of the worm and roller.
Increased wheel imbalance.
No gaps in the engagement of the worm and roller.
Damage to the working surfaces of the worm and roller.
Play in the joints of the steering rods.
Before measuring and adjusting the steering wheel play, it is necessary to check and tighten the attachment points ...
steering gear housing,
Swivel arms and bipod,
pendulum arm bracket,
steering wheel to shaft,
Transverse and longitudinal rods
?
Before checking clearance steered wheels should be placed in...
Corresponding to movement in a straight line,
In which the wheels are turned all the way to the left,
In which the wheels are turned to failure in one of the extreme positions.
The steering play is determined by the movement of the steering wheel between two extreme positions. The beginning of the backlash measurement is characterized by the fact that ...
Reduced effort on the steering wheel
The front wheels start turning
Increased effort on the steering wheel,
Any of the above symptoms are present.
When measuring backlash, the front wheels are usually...
Jacking up
They don't jack up.
The total friction force in the steering is checked with ... front wheels.
fully posted,
Not posted.
How is the degree of wear of the parts of the tie rod joints determined?
The play in the hinge is detected when the steering rods are swayed by hand.
They wrap their hands around the hinge, turn the steering wheel sharply.
Observe the hinge during a sharp turn of the ruble wheel.
Use any of the above methods.
What to do if identified big backlash in the tie rod joints?
If parts are worn within acceptable limits, tighten the screw plug and install the cotter pin.
Replace the ball pin or crackers, if necessary, tighten the spring with a screw plug.
In case of severe wear, replace the joint assembly with a new one.
Use any of the above methods.
When operating the car in normal road conditions, the steering rod joints should be serviced after ... thousand kilometers.
What are the requirements for the technical condition of workers brake systems?
When you press the brake pedal brake mechanisms one axis must be triggered at the same time.
Braking efficiency (determined by the length stopping distance) should not exceed the specified value.
With fully released brake pedal there should be no bobbing wheels.
All of the above requirements must be met.
What parameters characterizing the technical condition of the brake system are checked during sea trials?
Pedal free play.
slowdown.
Actuator pressure.
Braking distances.
Braking torque on wheels.
All of the above options.
Sea trials of brake systems are carried out on a section of the road, which must be...
be horizontal,
Be even and dry
Have a friction coefficient of at least 0.6,
Meet all of the above requirements?
What are the most likely causes of poor brake release with hydraulic drive?
Absence freewheel brake pedal.
Hydraulic drive leak.
Weak or broken brake shoe springs.
Decreased brake fluid level in the master cylinder.
Extension of the stopping distance.
Uneven wheel braking.
Weak braking.
Failure of the brakes.
What are the most likely consequences increased wear working surfaces of one of the brake drums?
Extension of the stopping distance.
Braking when the pedal is released.
Checking the tightness of the piston cuff and the ball valve of the brake booster of the GAZ-53 car is carried out by holding the pedal depressed for 2-3 minutes with the engine running. If the pedal moves towards the floor within the named time, then this indicates....
valve leakage,
valve tightness,
cuff leakage,
Cuff tightness.
The presence of air in the hydraulic brake drive is determined by...
Movement of the brake pedal without perceptible resistance,
By increasing the "stiffness" of the pedal,
By lengthening the braking distance,
Braking the wheels when the pedal is released.
Which of the following operations related to the removal of air from the hydraulic drive is performed first of all?
Removing the rubber cap from the valve of the working (wheel) brake cylinder.
Checking the fluid level in the brake master cylinder reservoir.
Unscrewing the valve installed on the wheel cylinder. Lengthening the braking distance.
On what basis is the moment of completion of pumping determined?
Lowering the brake fluid level in the brake master cylinder reservoir to half of the nominal level.
A perceptible increase in the effort required to move the brake pedal.
Stopping the exit of air bubbles from the hose, the end of which is lowered into a jar of brake fluid.
?
How is the fuel supply channels of the high pressure pump filled before starting the diesel engine?
cranking crankshaft engine starting handle.
Reciprocating movement of the fuel priming pump button.
Turning the crankshaft of the engine with a starter.
What is the purpose of a turbocharger used in a diesel power system?
Increasing engine power.
Increase the maximum speed of the crankshaft.
Ease of starting a diesel engine.
The turbocharger shaft, installed in the power supply system of the diesel engine of the KamAZ vehicle, is driven ...
By using mechanical transmission from the crankshaft
From camshaft engine,
Through the use of energy from exhaust gases,
From the camshaft of the high pressure pump.
Difficulty starting the engine.
Smoky exhaust.
What are the most likely consequences of reducing fuel injection pressure?
Difficulty starting the engine.
Intermittent engine operation.
Smoky exhaust.
What are the most likely consequences of uneven delivery of fuel to the injectors by the pump sections?
Difficulty starting the engine.
Smoky exhaust.
What are the most likely consequences of loose caps? fuel filters accompanied by air entering the fuel lines?
Difficulty starting the engine.
Intermittent engine operation.
Smoky exhaust.
Which of the following faults cannot cause a decrease in fuel injection pressure?
Plunger wear.
Sleeve wear.
Weakening of the injector spring.
Enlargement of nozzle nozzle hole diameter due to wear
With a decrease in the elasticity of the injector spring, the fuel injection pressure ...
Decreases
is increasing,
Doesn't change.
The thermostat is in good condition if, when the engine warms up to a coolant temperature of + 80 ° C, the hose connecting the thermostat nozzle to the upper radiator tank ...
Stays cold, and after the engine is fully warmed up, the temperature of the hose matches the temperature of the coolant,
It warms up to the temperature of the coolant, and after full warm-up it becomes cold.
How to check the tension of the water pump drive belt?
By measuring the force that causes the belt to slip on the pulley.
By measuring the total actual length of the belt and comparing it with the nominal value.
Measuring the deflection of the belt branch in the middle part.
Any of the above methods.
How should the radiator cap be removed to check the coolant level in the upper radiator tank when the engine is fully warmed up?
Loosen the plug quickly and sudden movement move your hands to the side.
Unscrew the plug, in case of steam escape, close again, then quickly open and remove.
Cover the stopper with a wet cloth in several layers, remove the stopper, protecting your hands and face from burns.
Remove the plug only after the coolant temperature has dropped to 40°C.
Leakage of coolant through the control hole in the lower part of the water pump housing indicates ...
Leaks in the connection between the cover and the pump housing,
Worn or damaged seal parts,
Loose fastening of the impeller on the pump shaft,
Any of the above problems occur.
When removing scale, which is deposited during the operation of the cooling system and impairs engine performance, use aqueous solutions various substances. With a significant deposition of scale, its removal is carried out by washing ...
Separate radiator and engine cooling jacket,
Together with the same solution for all appliances,
Separately or together, depending on the characteristics of the engine.
Which of the following functions are not performed by lubrication systems?
Reducing friction and intensity of wear of rubbing surfaces.
Removal of wear products from the friction zone.
Reducing shock loads on parts of the cylinder-piston group.
Partial heat removal from rubbing surfaces.
Ensuring optimal thermal regime engine operation.
Protection of parts against corrosion.
Which parts and parts surfaces are pressure lubricated?
Crankshaft journals.
distribution gears.
Rocker bushings.
Camshaft bearing journals.
Pushers.
Top tips of rods.
Camshaft cams.
Most dangerous consequences occur if the oil pressure in lubrication system getting too...
big,
How to move in the step voltage zone
Goose step.
Rolling.
Normal step.
When should a pressure bandage be applied?
When bleeding, if the blood passively drains from the wound.
Scarlet blood flows from the wound in a gushing stream.
Large blood stain on clothes.
In cases of compression syndrome before release of the limbs
In which case, the victim must be carried on his back with legs raised or bent at the knees
In a state of coma.
With frequent vomiting.
With penetrating wounds of the abdominal cavity.
With penetrating wounds of the chest.
With a neck injury.
How long can you leave the victim lying on a metal stretcher
5 - 10 minutes
10 - 15 minutes
10 - 20 minutes
15 - 20 minutes
15 - 25 minutes
Within a radius of how many meters from the point of contact electric wire ground can be exposed to step voltage
10 meters
15 meters
What actions to take in a state of coma (in the absence of consciousness and the presence of a pulse on the carotid artery)
Turn the victim on his stomach, periodically remove everything from the oral cavity, apply cold to the head
Turn the victim on his back, periodically remove everything from the oral cavity, apply cold to the head
Turn the victim on the right side, periodically remove everything from the oral cavity, put cold under the head
Release the chest from clothing and unfasten the waist belt, raise the legs, press on the pain point, in the absence of consciousness, put the victim on the right side, periodically remove everything from the oral cavity, put cold under the head
Release the chest from clothing and unfasten the waist belt, raise the legs, press on the painful point, in the absence of consciousness, put the victim on the stomach, periodically remove everything from the oral cavity, put cold on the head
In case of poisoning with poisonous gases, it is necessary to turn the victim on his stomach and apply cold to the head if consciousness does not appear within
In case of fainting, it is necessary to turn the victim on his stomach and apply ice to the head if consciousness does not appear within:
The depth of chest compression during indirect heart massage should be at least:
Not less than 2 cm
More than 5 cm
What to do with a penetrating chest injury
Press the palm to the wound, blocking the access of air, apply an airtight bandage, transport in a sitting position
Press the palm to the wound, blocking the access of air, seal with a plaster, transport in a supine position on the back
Press the palm to the wound, blocking the access of air, apply an airtight bandage, transport in a supine position on the back
Press the palm to the wound, blocking the access of air, apply an airtight bandage, transport in a standing position
Press the palm to the wound, blocking the access of air, seal with a plaster, transport in a standing position
In case of arterial bleeding in the thigh area, the following actions should be taken:
Release the victim from clothing, stop bleeding by pressing the femoral artery with his fist, apply a tourniquet through a smooth solid object with pulse control on the popliteal fossa for no more than an hour.
Stop bleeding by pressing the femoral artery with a fist without releasing the victim from clothing, apply a tourniquet for a while until it arrives " Ambulance", control the pulse at the popliteal fossa
Stop bleeding by pressing the femoral artery with a fist without releasing the victim from clothing, apply a tourniquet through a smooth solid object for no more than an hour with pulse control in the popliteal fossa
Release the victim from clothing, stop bleeding by pressing the femoral artery with a fist, apply a tourniquet with pulse control on the popliteal fossa for no more than an hour
When treating a burn without violating the integrity of the burn blisters at the scene, for how long it is necessary to place the burn under a stream of cold water
5 - 10 minutes
10 - 15 minutes
15 - 20 minutes
5 - 15 minutes
10 - 20 minutes
Rules for the treatment of thermal burns with violation of the integrity of burn blisters and skin
Rinse with water, cover with a dry clean cloth, apply cold over the dry cloth
Bandage the burnt surface, apply cold over the bandage
Cover with a dry, clean cloth, apply cold over the dry cloth.
Rinse with warm water, grease, cover with a dry cloth, apply cold
Grease, cover with a dry clean cloth, apply cold over the cloth
How long can a tourniquet be applied to a limb with bleeding
Not more than 0.5 hours
Not more than 1 hour
No more than 1.5 hours
No more than 2 hours
No more than 3 hours
Indicate the correct procedure for the resuscitation complex when providing first aid by one rescuer, if the victim is unconscious and has no pulse on the carotid artery
15 chest compressions followed by 2 rescue breaths
5 chest compressions followed by 2 rescue breaths
Indicate the correct procedure for the resuscitation complex when providing first aid by two rescuers, if the victim is unconscious and has no pulse on the carotid artery
15 chest compressions followed by 2 rescue breaths
10 chest compressions followed by 1 rescue breath
10 chest compressions followed by 2 breaths
5 chest compressions followed by 2 rescue breaths
5 chest compressions followed by 1 rescue breath
Signs of a closed fracture of the bones of the limb
Visible bone fragments
Deformity and swelling of the limb
The presence of a wound, often with bleeding
Blue skin color
Severe pain on movement
Signs of arterial bleeding
Scarlet blood flows from the wound in a gushing stream
Over the wound, a roller is formed from the flowing blood
A large blood stain on clothing or a pool of blood near the victim
Highly dark color blood
Blood drains passively from the wound
Signs of venous bleeding
Scarlet blood flows from the wound in a gushing stream
Over the wound, a roller is formed from the flowing blood
Very dark blood color
Blood drains passively from the wound
Signs of sudden death (when every second can become fatal)
Lack of consciousness
No pupillary response to light
No carotid pulse
The appearance of dead spots
Deformation of the pupil with careful compression of the eyeball with fingers
TICKET #15
1. Methods for cleaning welds.
2. What is landing? Types of landings, their purpose.
3. The order of stamping parts, the tool used.
4. Labor protection when cutting and bending metal.
EXAM TICKETS
1. What are keyed connections? Types of keys, the order of assembly of keyed connections.
2. What is cast iron? The division of cast irons, their mechanical and technological properties, which means grades SCH25; VCh50-2; KCh30-6.
3. Caliper tool, types, design, accuracy. Measure with a caliper.
EXAM TICKETS
On testing the knowledge of locksmiths of mechanical assembly works of the 4th category
TICKET #2
1. What is the soldering process? Types of solders used in soldering.
2. Carbon structural steels, scope, on which chemical element they depend mechanical properties? What do steel grades mean: ST3, steel 05kp, steel 45.
3. Sections and sections in the drawings, their purpose, the difference between a section and a section.
4. Occupational safety when testing units on benches and hydraulic pressure presses.
EXAM TICKETS
On testing the knowledge of locksmiths of mechanical assembly works of the 4th category
1. What type of connection is welding?
2. Alloyed structural steels: why alloying elements are introduced into the steel; which means steel grade 30KhGT.
3. Symbols on the drawings of limit deviations from flatness and straightness.
EXAM TICKETS
On testing the knowledge of locksmiths of mechanical assembly works of the 4th category
1. Manual and mechanized tools used in assembly operations.
2. What is carbon tool steel used for? The main difference between this steel and carbon structural steel. What is the difference between U12 and U12A steels?
3. Tools for thread control, rules for using them.
4. Labor protection when working on a drilling machine.
EXAM TICKETS
On testing the knowledge of locksmiths of mechanical assembly works of the 4th category
1. Ways to eliminate deformations that occur during heat treatment or welding.
2. Grinding skin, division of the sanding skin according to the basis, according to water resistance, according to the profile of the abrasive layer. Abrasive materials used for the manufacture of abrasive skins.
3. Nominal, actual and limit sizes. Show these measurements with an example: Ø105 - 0.62 .
4. The main causes of fire in the shop. Fire fighting measures.
EXAM TICKETS
On testing the knowledge of locksmiths of mechanical assembly works of the 4th category
1. Bench vice, types, device, purpose, application rules.
2. Admission, its purpose; determine the tolerance value for size 25 + 0.43.
3. Location on the drawing of the projections of the part. Draw a sketch of the proposed part with the required number of projections.
4. Organization of the workplace of a mechanical assembly worker.
EXAM TICKETS
On testing the knowledge of locksmiths of mechanical assembly works of the 4th category
TICKET #7
1. Metal filing, a tool used in filing. Processing accuracy. Sawing methods.
2. Plastics and their properties, the use of plastics in mechanical engineering.
3. Symbol on the drawings of the tolerance of non-straightness and non-flatness.
4. Labor protection when cutting threads.
EXAM TICKETS
On testing the knowledge of locksmiths of mechanical assembly works of the 4th category
1. What type of rivet connection is it? Types of rivets, types of rivet seams, division of rivet seams according to their purpose, the procedure for performing the riveting operation.
2. What is metal corrosion? Ways to protect yourself from it.
3. Surface roughness, its parameters, designation on the drawings.
4. Safety requirements when working with manual electric machines.
EXAM TICKETS
On testing the knowledge of locksmiths of mechanical assembly works of the 4th category
1. Marking, its purpose, the order of planar marking.
2. Abrasive materials. The use of abrasives in mechanical assembly work.
3. Hole system, its advantages over the shaft system.
4. Protective grounding, its purpose.
EXAM TICKETS
On testing the knowledge of locksmiths of mechanical assembly works of the 4th category
TICKET #10
1. Metal filing. The tool used for filing, its characteristics. Filing methods, filing accuracy.
2. Plastic masses, their application in mechanical engineering.
3. Symbol on the drawings of screw and bolted connections.
4. Safety requirements for soldering.
EXAM TICKETS
On testing the knowledge of locksmiths of mechanical assembly works of the 4th category
TICKET #11
1. Drilling, fixtures and tools used for drilling.
2. What is a sketch? Rules for its implementation. Sketch the proposed part.
3. Methods and means of control of smooth cylindrical products.
4. First aid to victims of electric current.
EXAM TICKETS
On testing the knowledge of locksmiths of mechanical assembly works of the 4th category
TICKET #12
1. Cutting internal and external threads. Tools, equipment, equipment.
2. The concept of a sketch, its difference from a working drawing. Sketch the proposed part.
3. Caliper device for measuring from 0 to 150mm, measurement accuracy.
4. Safety requirements for grinding and finishing.
EXAM TICKETS
TOGBOU SPO "Diversified technical school"
Set test items
profession "Auto mechanic"
specialty "Mechanic for car repair"
Developer: Olenina Galina Borisovna,
master of industrial training
Morshansk
Option 1
1. Determine how many revolutions of the crankshaft the working cycle of a four-stroke engine is completed.
A. one
At two
C. three
D. four
2. Name the engine coolants.
A. water, oil
V. antifreeze, antifreeze
C. distilled water, electrolyte
D. kerosene, grease
3. Control and diagnostic, fixing, adjusting, lubricating and cleaning works are carried out during
A. EO
B. overhaul
ONE HUNDRED
D. Maintenance
4. Name the main types of cooling systems.
A. water and atmospheric cooling system
B. atmospheric and nitrogen cooling system
C. antifreeze and antifreeze cooling system
D. liquid and air cooling system
5. What are the engines according to the type of fuel used?
A. diesel, gasoline
V. carburetor, injection, diesel, gas
C. liquid fuel, gaseous
D. diesel, gas
6. Slip indicates a malfunction
A. Power systems
B. clutch
C. gearbox
D. KShM
7. . . . serves to convert the reciprocating motion of the piston into rotation of the crankshaft.
A. Power system
V. KShM
S. Timing
d.Ignition system
8. What is the clutch used for?
A. To transmit torque at varying angle and distance
B. for changing power, speed, and reversing
C. for smooth starting and shifting
D. to change the torque
9. List the main parts of a piston engine.
A. crankcase, cylinder, head, piston, piston rings, pin, connecting rod
B. cylinder, piston rings, pin, piston
C. crankcase, crankshaft, head
D.Piston, crankshaft, cylinder, crankcase
10. How many times and where exactly is the fuel cleaned in the power system of a car?
A. 3 times - in the tank, fuel pump, crankshaft
B. 3 times - in the tank, full-flow filter, carburetor
C. 4 times - in the tank, sump filter, full-flow filter, carburetor
D. 4 times - in the tank, fuel pump, filter, carburetor
11. By what criteria are car gearboxes classified?
A. According to the lubrication method
V. by cardan gears
C. according to the number of gears, the method of switching, the number of shafts
D. according to the way the work cycle is carried out
12. What are the causes of engine overheating.
A. clogged filters, early ignition
C. Stuck thermostat, blinds closed, loose or broken belt
C. little oil in the engine, incorrect adjustment carburetor
D. antifreeze leaked
13. What is the purpose of the crank mechanism?
A. for supplying a combustible mixture
B. to maintain regulatory temperature regime engine operation
C. to convert the rectilinear reciprocating motion of the piston into the rotational motion of the crankshaft
D. designed to ignite a combustible mixture
14. List the details of the engine lubrication system.
A. sump, radiator, pump, breather
V. pallet, oil pump, oil receiver, filter, oil valves
C. oil receiver, oil valves, filter, pipes, thermostat
D. oil cooler, oil pump, oil receiver, cocks
15. List the details of the gas distribution mechanism.
A. springs, rods, tappets, head, camshaft
B. timing gears, crankshaft, tappets, springs, rods, rocker arms
C. valves, springs, rocker arms, rods, tappets, camshaft
D. rocker arms, rods, tappets, springs, intake valves
Option 2
1. Name the brands of gasoline used for car engines.
A. AB - 71, 75, 94
V. Ai - 76, 92, 95, 98
S. A - 94, 77, 70, 91
D. AI - 72, 92, 96
2. Seasonal Service carry out
A. 4 times a year
V. daily
C. as needed
D. 2 times a year
3. Cleaning and washing, control and inspection, refueling work is carried out during
A. EO
B. TO
C. CO
D. Maintenance
4. Name the types of lubrication of parts in the engine.
A. lubrication with grease or lithol
C. pressure lubrication, gravity flow, splash lubrication
B. oil lubrication M 6/10
D. vegetable oil lubrication
5. For what purpose is the radiator of the cooling system made of non-ferrous metals?
A. non-ferrous metals have a much higher thermal conductivity than the rest
B. non-ferrous metals have a much lower thermal conductivity than the rest
C. parts and mechanisms made of non-ferrous metals are much lighter than others
D. non-ferrous metals are much cheaper than others
6. Name the composition of a normal combustible mixture in the ratio of gasoline to air.
A. 1:5
V. 1:15
S. 1: 10
D.1:20
7. . . . serves for the timely admission of air into the cylinder (for diesel engines) and the combustible mixture (for gasoline), as well as the timely removal of exhaust gases.
A. Timing
B. lubrication system
C. cooling system
d.Ignition system
8. Which clutch mechanism drive is used on cars?
A. mechanical, pneumatic
B. pneumohydraulic
C. combined, hydraulic, mechanical
D. electrical, mechanical
9. What part or assembly belongs to the gas distribution mechanism?
A. rocker
B. oil pump
C. thermostat
D. connecting rod with pin
10. How many times and where exactly is fuel cleaned in the KAMAZ diesel fuel system?
A. 3 times - in the tank, full-flow filter, carburetor
B. 4 times - in the tank, sump filter, full-flow filter, carburetor
C. 4 times - in the tank, sump filter, full-flow filter, nozzle
D. 3 times - in the tank, fuel pump, crankshaft
11. A decrease in engine power, an increase in fuel or oil consumption, a drop in pressure, the occurrence of smoke knocks indicate a malfunction
A. KShM and timing mechanism
B.gearbox and transfer case
FROM. main gear and differential
D. Lubrication system
12. Determine in which circle the liquid circulates in the cooling system when the engine is started.
A. for the most part
B. doesn't matter
C. does not circulate
D. small
13. Determine how wear will affect the composition of the combustible mixture fuel jets carburetor.
A. to re-enrichment of the combustible mixture
B. to the leanness of the combustible mixture
C. normalization of the combustible mixture
D. will not affect
14. List the details of the fuel supply of a carbureted engine.
A. tank, cylinder, reducer, solenoid valve, highways
B. tank, filters, fuel pump, fuel lines, carburetor
C. tank, filters, fuel pump, high pressure pump, injectors, fuel pipes
D. tank, priming pump, carburetor, filters, radiator
15. List the details of the cooling system.
A. engine cooling jacket, radiator, water pump, curtain, impeller
B. fan, radiator, pump, engine cooling jacket, taps
C. engine cooling jacket, fan, radiator, water pump, thermostat, shutters, taps
D. block, head, pump, radiator, fan, thermostat
Option 3
1. Which of the following is not a major part of a car?
A. engine
V. body
C. steering wheel
d. Chassis
2. How is the cooling system flushed?
A. trilon B, caustic soda
B. distilled water, baking soda
C. electrolyte
D. antifreeze
3. At what maintenance is the lubricant changed?
A. TO-1, if there is time
B. after a major overhaul
S. EO
D. TO-2, according to the lubrication schedule
4. What part or assembly is related to the cooling system?
A. oil pickup
B. stove radiator
C. valve
D. distributor
5. List the strokes of a four-stroke engine.
A. intake, stroke, exhaust, compression
B. stroke, intake, exhaust, compression
C. compression, intake, stroke, exhaust
D. intake, compression, stroke, exhaust
6. What are the engines according to the number of cylinders?
A. Single-cylinder, double-cylinder, multi-cylinder
B. two-cylinder, four-cylinder
C. four-cylinder, eight-cylinder, twelve-cylinder
D. single cylinder, double cylinder, three cylinder
7. . . . serves to store the fuel supply carried with it, to clean it and supply it for mixture formation.
A. ignition system
B. lubrication system
C. power system
D. cooling system
8. On what grounds are car gearboxes classified?
A. According to the number of shafts
V. by number of gears
C. by way of inclusion
D. Lubrication method
9. What part or assembly belongs to the ignition system?
A. pump
B. valve
C. coil
D. thermostat
10. How many times and where exactly is the oil cleaned in the lubrication system of a passenger car engine?
A. 3 times - in the oil intake, sediment filter, crankshaft
B. 3 times - in the oil intake, full-flow filter, crankshaft
C. 4 times - in the oil intake, sediment filter, full-flow filter, crankshaft
D. 2 times - in the oil intake, crankshaft
11. Difficulties in shifting gears, spontaneous shutdown or noise during operation indicates a malfunction
A. final drive and differential
B. gearbox and transfer case
C. KShM and timing mechanism
D. Lubrication system
12. Determine what causes a decrease in the pressure of the start of fuel injection by injectors below the maximum allowable.
A. to reduce engine power
B. to an increase in fuel consumption and an increase in the smoke of exhaust gases
C. to increase the vibration of the engine
D. system leakage and gas leakage
13. Determine the purpose of the rods in the timing.
A. designed to transfer force from the pusher to the rocker
V. designed to transfer force from the pusher to the valve
C. are designed to transfer force from the camshaft through the rods to the rocker
D. designed to transfer force from the rocker arm to the valve
14. List the details of the piston group.
A. piston, piston pin, block
B. piston pin, piston, connecting rod, crankshaft
C. piston, piston rings, piston pin, cylinder liner
D. piston rings, piston, head
15. List the details of diesel fuel supply.
A. tank, fuel pump, carburetor, filters
B. tank, filters, fuel priming pump, high pressure pump, injectors, fuel pipes
C. filters, fuel pipes, cylinder, reducer, solenoid valve
D. fuel pump, filters, thermostat, radiator
Federal State Educational Institution
Secondary vocational education
"Tambov Polytechnic College"
Exam tickets for the exam
by subject:
"Maintenance and repair of vehicles"by profession: "Auto mechanic" OST 9 ON 02.30.20-2000
Commission of special disciplines in the specialty 190604
FGOU SPO "Tambov Polytechnic College"
Compiled by: Tolstoy Valery Leontievich, teacher of FGOU SPO
Exam tickets"Maintenance and repair of vehicles"
TICKET №1.
1 Checking and adjusting the fuel level in the carburetor float chamber.
2. Concept, methods and means of fault detection.
3.Selection of parts and assembly of the crankshaft (piston-rod).
TICKET №2.
Reliability of the car, its main properties and indicators.
Diagnosis of diesel engine injectors.
Typical malfunctions timing, their external
TICKET №3.
Car reliability properties and their indicators
Ways to identify hidden defects in car parts.
Diagnosis technical condition Timing.
TICKET №4.
The concept of serviceable and faulty condition of the car.
Picking parts: work performed, methods.
The procedure for regulating thermal clearances of the timing (UAZ 469).
1) Check and adjust wheel alignment.
2) Methods for organizing car maintenance.
3) Diagnosing the technical condition of the timing.
TICKET №6.
1) The concept of failure. Types of failures and their causes.
2) Ways of picking parts for the repair of vehicle systems.
3) The procedure for removing air from the hydraulic brakes.
TICKET №7.
The essence of the preventive maintenance and repair system for vehicles.
Classification of ways to restore parts.
Lapping of timing valves, quality control of grinding.
TICKET №8.
The essence of the preventive maintenance and repair system for vehicles.
Balancing parts after repair, types of balancing.
Timing valve adjustment (UAZ 469 engine).
TICKET No. 9 1) Types and frequency of maintenance of cars, work performed.
2) Restoration of parts by metalwork and mechanical processing.
3) Diagnosis of steering.
TICKET №10.
1) Types of car repair, their purpose, place of performance.
2) Diagnosis of the technical condition of the gearbox.
3) Removal of air from the hydraulic actuator.
TICKET №11.
Types of work performed during TO-1, TO-2 and CO.
The essence of soldering, scope, solders and fluxes.
Typical malfunctions of the cooling system, their external signs and methods of elimination.
Checking the fuel injection advance angle.
3) Typical malfunctions of the lubrication system, their external signs and methods of elimination.
TICKET №13.
The basic concepts of the teaching staff of the TOP: maintenance, repair, working condition, diagnosis.
essence of welding. Types and methods of welding.
Checking and adjusting the camber of the front steered wheels.
TICKET №14.
Purpose and structure of car service stations.
The essence of surfacing. Surfacing methods.
Elimination of characteristic malfunctions of the cooling system.
TICKET №15.
1) The composition and equipment of car service stations.
Method for welding parts made of cast iron.
TICKET №16.
1) Technological process THAT cars at the service station.
2) Methods for welding parts made of aluminum alloys.
3) Tech. maintenance of the lubrication system.
TICKET №17.
Purpose and maintenance of the system of maintenance and repair of vehicles.
Kinds polymer materials and methods of their application in the repair of parts.
Typical malfunctions of power systems carburetor engines. Signs, causes.
TICKET №18.
Stationary vehicle maintenance facilities.
Methods for restoring parts by plastic deformation.
Typical malfunctions of the power system diesel engines; signs, reasons.
TICKET №19.
Mobile vehicle maintenance vehicles.
Restoration of parts by electromechanical processing.
The technological process of diagnosing the technical condition of the units.
TICKET №20.
Purpose and types of car maintenance posts.
Typical malfunctions of the power supply system of carburetor engines methods of determination.
Classification of technological equipment for maintenance and repair.
Purpose, types and organizational forms of assembly.
The procedure for determining the fuel injection advance angle (KamAZ).
TICKET №22.
Purpose, layout of the outdoor car wash site.
Speed control idle move carbureted engines.
TICKET №23.
Types of car repair, content and their purpose.
Balancing, its types and technology.
CPG assembly (piston-pin-rod).
TICKET №24.
The principle of circulating water supply in external car washing.
Forecasting of the residual resource of aggregates.
.Adjusting the idle speed of carburetor engines
TICKET №25.
Purpose, layout of the post for refueling vehicles with fuel, composition of equipment.
3) Adjustment of the free travel of the brake pedal with hydraulic drive.
TICKET №26.
Purpose, device and principle of operation of the fuel dispenser.
Repair and testing of car springs.
Adjustment work on the chassis.
TICKET №27.
Purpose, types of car diagnostic posts, their equipment.
Gearing adjustment in bevel gears.
Diagnosis of brakes by the method of sea trials.
TICKET №28.
The procedure for determining the gaps in the pivot connection of the suspension.
Running-in and testing of cars after KR.
Technological sequence of engine assembly.
TICKET №29.
The procedure for determining and adjusting clearances in wheel hub bearings.
Methods for applying paintwork.
Features of the installation of liners and crankshaft when assembling the engine.
TICKET №30.
Steering adjustment work.
Body anti-corrosion protection.
Features of the installation of liners in the block when assembling the engine.
TICKET №31.
Repair and testing of springs.
Putting the car into operation after repair.
Features of the assembly of the connecting rod and piston group.
TICKET №32.
The procedure for determining the backlash and the effort required to overcome the friction forces in the steering.
Malfunctions of the internal combustion engine, their signs and methods of determination.
Features of the assembly of the flywheel and crankshaft.
TICKET №33.
Diagnosis of brake performance.
Methods for drying paintwork.
Typical clutch malfunctions: signs, causes.
TICKET №34.
The procedure for setting the initial ignition timing.
Devices for diagnosing the engine, the order of their use.
Run-in and testing of the engine after KR.
TICKET №35.
Mechanized filling units: device, principle of operation.
3) Battery maintenance.
TICKET №36.
Mobile repair shops, purpose, composition, equipment and list of work performed.
Equipment, instruments and tools for engine diagnostics.
Typical clutch malfunctions, external signs, causes.
TICKET №37.
Delivery of a car for repair, types of completeness, documentation.
Typical gearbox malfunctions, external signs, methods of elimination.
Starter repair, test methods after repair.
Checking the technical condition of the engine by external signs.
Typical malfunctions of the main gear, external signs, methods of elimination.
TICKET №39.
Scheme of the technological process of maintenance and repair of vehicles.
Checking the technical condition of the engine on the instruments.
Typical malfunctions of the driveline, external signs, methods of elimination.
TICKET №40.
Technological process of car maintenance, technological documentation.
Instrumentation maintenance (on the example of a cooling system)
Common battery problems.
TICKET №41.
Types, tasks and methods for diagnosing the technical condition of vehicles
Maintenance gas-cylinder installations engine.
Typical malfunctions and maintenance of generators.
TICKET №42.
Structural and diagnostic parameters, their types.
Typical malfunctions of the CPG, their external signs.
Typical malfunctions and maintenance of starters.
TICKET №43.
Forecasting the residual life of the car.
Gearbox diagnostics.
Typical faults and maintenance classical system ignition.
TICKET №44.
Steering diagnostics.
Causes of malfunction of the CPG and ways to determine them.
Battery repair.
TICKET №45.
Car preparation and headlight adjustment.
Causes of KShM malfunction and methods for their determination.
Repair of generators, typical malfunctions.
TICKET №46.
Checking the general technical condition of the car.
Diagnosis of CPG with the engine running.
Repair of starters, methods of their testing.
TICKET №47.
Determination of engine power during diagnosis.
Diagnostics of KShM at the working and not working engine.
Repair of devices of systems of ignition.
TICKET №48.
Hydraulic service brake adjustment.
Delivery of the car after the KR in operation.
TICKET №49.
Determination of fuel consumption during diagnosis.
Dismantling and defect detection of KShM.
Clutch malfunctions, signs, causes, solutions..
TICKET №50.
Determination and regulation of the clearance in the bearings of the worm of the steering mechanism.
Replacement piston rings CPG, the order of their selection.
Transmission malfunctions, symptoms, causes, remedies
TICKET №51.
1) Pneumatic service brake adjustment.
2)) Checking and adjusting diesel injectors.
3) Repair of parts using synthetic adhesives, examples.
TICKET №52.
Methods for organizing car maintenance.
Selection of parts and assembly of the CPG.
Repair of steering assembly units.
Short test ticket on questions for testing by profession: "Automobile Repair Mechanic". Designed to test knowledge and skills. The random order of questions allows testing in full.
Short test ticket on questions for testing by profession: "Automobile Repair Mechanic". Electrolyte density, gearbox design, compression, engine operation, theory.
Short test ticket on questions for testing by profession: "Automobile Repair Mechanic". Exhaust system malfunctions, engine damage, physical quantities, control devices, engine starting.
Short test ticket on questions for testing by profession: "Automobile Repair Mechanic". Causes of poor release of hydraulic brakes and uneven steering force when turning, turbocharger, sensors in the fuel injection system, engine injectors.
Express test for a car mechanic - fog lights will help you test your knowledge. Issues raised: propagation of light, operating modes, direction of the light flux, device, installation.
