Chapter 21 of 25

Maintenance and repair

56 questions from the official bank with the right answer, in the order of the manual.

A test on this chapter Cards of this chapter

No. 21
You should not fit to your vehicle:
1. ATyres of different construction on the same axle
2. BTyres of the same construction on all axles.
Right answer: A. An official question of the Ministry, in its official translation.
No. 22
You are not recommended to fit to your vehicle:
1. ATyres of the same construction on all axles.
2. BFront radial tyres and rear crossed tyres.
Right answer: B. An official question of the Ministry, in its official translation.
No. 23
As regards the level of the lubrication oil in the gear-box:
1. AYou should check it every 10,000 km.
2. BThe technician of the repair workshop is responsible for that at the programmed maintenances of the car.
Right answer: B. An official question of the Ministry, in its official translation.
No. 24
Should wheel alignment and balancing be performed by the driver himself?
1. AYES
2. BNO
Right answer: B. An official question of the Ministry, in its official translation.
No. 25
The aim of the tyre tread is to:
1. ARemove the water from the road.
2. BDecorate the car.
Right answer: A. An official question of the Ministry, in its official translation.
No. 26
Does a lamp have unlimited lifetime?
1. AYES
2. BNO
Right answer: B. An official question of the Ministry, in its official translation.
No. 27
A bad balancing:
1. ACauses the steering-wheel to vibrate and tyres to wear prematurely.
2. BCauses the vehicle to deviate from its course.
Right answer: A. An official question of the Ministry, in its official translation.
No. 28
A bad wheel alignment causes:
1. ADeviation from the course and wear to the tyre tread.
2. BStrong vibrations.
Right answer: A. An official question of the Ministry, in its official translation.
No. 29
What may cause difficulty in handling the steering-wheel when the car is moving?
1. ALack of balancing of the front wheels.
2. BLow air pressure of the tyres.
3. CDistortion of the wheel-rim.
Right answer: B. An official question of the Ministry, in its official translation.
No. 31
Must the tyres of the same axle have the same pressure?
1. AYes, they certainly must have the same pressure.
2. BNo, they do not need to have the same pressure.
Right answer: A. An official question of the Ministry, in its official translation.
No. 32
What may be the reason for the vibration of the steering-wheel at a high speed?
1. ALack of balancing of the front wheels.
2. BLoss of air pressure of the tyres.
3. CExcessive load.
Right answer: A. An official question of the Ministry, in its official translation.
No. 34
If the engine has been overheated due to a lack of refrigerating fluid, what should you do?
1. AContinue your course up to the nearest repair workshop.
2. BOpen carefully the radiator container and fill in the refrigerating fluid while the engine is in operation.
Right answer: B. An official question of the Ministry, in its official translation.
No. 35
When the starter motor (ignition) does not work, what is the possible cause?
1. ABad condition of the battery.
2. BWorn sparking plugs.
3. CThe multiplier does not work.
Right answer: A. An official question of the Ministry, in its official translation.
No. 36
What may a destroyed thermostat which remains off due to a failure cause?
1. AWear to the water pump.
2. BDangerous increase of engine temperature.
3. CAbrupt cooling of the engine.
Right answer: B. An official question of the Ministry, in its official translation.
No. 37
How often should you normally check the pressure of the tyres of your car?
1. ADaily.
2. BWeekly.
3. CMonthly.
Right answer: C. An official question of the Ministry, in its official translation.
No. 38
In case of removal of the catalytic converter of a car, what happens?
1. ANothing.
2. BEngine power is significantly increased.
3. CExhaust gases which are noxious to health are emitted by the car.
Right answer: C. An official question of the Ministry, in its official translation.
No. 39
What is the consequence of a dirty air filter?
1. AThe engine presents operation interruptions.
2. BThe engine starts with difficulty.
3. CFuel consumption is greater.
Right answer: C. An official question of the Ministry, in its official translation.
No. 40
When are you allowed to drive a motor vehicle in public roads?
1. AWhen you possess the vehicle registration licence.
2. BWhen the vehicle does not meet the requirements of safe traffic.
Right answer: A. An official question of the Ministry, in its official translation.
No. 41
What is the cause of the blue smoke that comes from the exhaust pipe of a petrol-engined car?
1. AEngine cooling system does not function properly.
2. BA failure of the electrical system.
3. CThe combustion of engine lubrication oil.
Right answer: C. An official question of the Ministry, in its official translation.
No. 42
When the starter motor does not work, which of the following is the possible cause?
1. AThe belt has broken.
2. BThere is a power-cut between the battery and starter motor.
3. CThe multiplier does not work.
Right answer: B. An official question of the Ministry, in its official translation.
No. 44
What is the main consequence of a fan operation failure?
1. AEngine overheating.
2. BExcessive engine noise.
3. CDestruction of the water pump.
Right answer: A. An official question of the Ministry, in its official translation.
No. 45
On which wheels of the car should you preferably fit new tyres?
1. ATwo front wheels.
2. BTwo rear wheels.
3. COne front wheel and one rear wheel diagonally.
Right answer: A. An official question of the Ministry, in its official translation.
No. 46
What is the main consequence of the loosening of the cooling water pump belt?
1. AEngine overheating.
2. BExcessive engine noise.
3. CDestruction of the water pump.
Right answer: A. An official question of the Ministry, in its official translation.
No. 47
In case of jamming of the starter motor (ignition), how can this damage be repaired?
1. ABy dismantling it.
2. BBy selecting a high gear (3rd or 4th) and causing the vehicle to move (push) back and forth.
3. CBy changing the battery.
Right answer: B. An official question of the Ministry, in its official translation.
No. 48
How will you realize that your exhaust pipe needs to be replaced?
1. AFrom the excessive fuel consumption.
2. BFrom the excessive noise.
3. CFrom the colour of the exhaust gases.
Right answer: B. An official question of the Ministry, in its official translation.
No. 50
What is the multiplier?
1. AA device which converts the voltage of current from high to low.
2. BA device which distributes high voltage current to the sparking plugs.
3. CA device which extinguishes pests.
Right answer: A. An official question of the Ministry, in its official translation.
No. 51
What is the usefulness of the clutch?
1. AVehicle effective slow-down is achieved.
2. BEngine noise is reduced.
3. CIt engages the engine with and disengages it from the other parts of the driving system.
Right answer: C. An official question of the Ministry, in its official translation.
No. 52
When may a battery suffer a damage?
1. AWhen it has not been used for a long period.
2. BWhen you use (fill in) the suitable fluid.
3. CWhen the fluid covers completely the plates of the battery.
Right answer: A. An official question of the Ministry, in its official translation.
No. 53
In case a fuse has blown you should replace it:
1. AWith the same fuse which you short-circuit with a wire.
2. BWith a new fuse of the same intensity of current.
3. CWith a new fuse of higher intensity of current.
Right answer: B. An official question of the Ministry, in its official translation.
No. 54
How can you check whether the automatic seat belts work?
1. ABy pulling them hard and abruptly.
2. BBy pressing hard the footbrake pedal after the car has developed a high speed.
3. CThe automatic seat belts do not need to be checked.
Right answer: A. An official question of the Ministry, in its official translation.
No. 55
If you notice that a lamp of one of the lights of your vehicle does not switch on, you should first check:
1. AThe battery.
2. BThe lamp.
3. CThe generator or the alternator.
Right answer: B. An official question of the Ministry, in its official translation.
No. 57
What is the aim of the handbrake?
1. ATo immobilise the vehicle in case of parking and as an auxiliary brake where required.
2. BTo stop (brake) the car.
3. CTo start on a downhill.
Right answer: A. An official question of the Ministry, in its official translation.
No. 58
How can you realize mainly that the fan does not work:
1. AFrom the indications of the temperature gauge.
2. BFrom the indications of the manometer or the engine lubrication oil pressure indication lamp.
3. CFrom the engine noise
Right answer: A. An official question of the Ministry, in its official translation.
No. 59
What is the aim of the thermostat?
1. AIt ensures fast air circulation, when it is on.
2. BIt maintains engine temperature over a certain level.
3. CIt obstructs water circulation, when this has been overheated.
Right answer: B. An official question of the Ministry, in its official translation.
No. 60
What should you do if the engine oil pressure lamp is on while the engine works?
1. AChange engine oil.
2. BCheck the quantity of oil and fill it in, if necessary.
3. CReplace the belt of the camshaft.
Right answer: B. An official question of the Ministry, in its official translation.
No. 61
What should the tyres of the same axle have?
1. ADifferent type of tread but same extent of wear.
2. BDifferent extent of wear as long as they have the same type of tread.
3. CSame type of tread and same extent of wear.
Right answer: C. An official question of the Ministry, in its official translation.
No. 62
During the movement of the car, you notice that this deviates from a straight course to one side. What is the possible cause?
1. AGreat difference in the wear of the front tyres.
2. BGreat difference in the air pressure of the front tyres.
3. CSingle-sided loading of the vehicle.
Right answer: B. An official question of the Ministry, in its official translation.
No. 63
You notice that one tyre of the car has lost air and you have to replace the wheel with a spare one. How should you unscrew the bolts which support the wheel?
1. AJack up the car and unscrew the bolts using the special spanner while the wheel is off the ground.
2. BUnscrew the bolts with the special spanner while the wheel is touching the ground.
Right answer: B. An official question of the Ministry, in its official translation.
No. 64
What kind of tyres should you fit to your car?
1. AThose recommended by the technician of the repair workshop.
2. BThose you think that fit your car better.
3. CThose recommended by the manufacturer of the car.
Right answer: C. An official question of the Ministry, in its official translation.
No. 66
If the fuse of an electrical circuit (e.g. lights) of your car is blown, what should you do?
1. AReplace it with a new one of less ampere.
2. BReplace it with a new one of more ampere.
3. CReplace it with a new one of the same ampere.
Right answer: C. An official question of the Ministry, in its official translation.
No. 67
When there is lack of refrigerating fluid in the radiator of a car or the belt of the ventilator is cut or loose or there is lack of engine oil, what is the possible indication to be shown on the dashboard?
1. ARegular temperature.
2. BHigh temperature.
3. CLow temperature.
Right answer: B. An official question of the Ministry, in its official translation.
No. 68
During winter mainly in order to prevent engine cracks, what kind of fluid should you pour into the radiator of the engine?
1. ADistilled water.
2. BAnti-freeze fluid.
3. CTap water.
Right answer: B. An official question of the Ministry, in its official translation.
No. 69
When you notice an engine overheating on the dashboard, which of the following causes are possible?
1. ALack of refrigerating fluid.
2. BExcessive use of the heating system.
3. CMalfunction of the air-conditioning.
Right answer: A. An official question of the Ministry, in its official translation.
No. 70
When the car engine presents interruptions during its operation, which are not due to a lack of petrol, which of the following causes is more possible?
1. AMalfunction of the electrical circuit of the car.
2. BDefective battery.
3. CThe engine has been overheated.
Right answer: A. An official question of the Ministry, in its official translation.
No. 71
In the event that you realize that the footbrake pedal is very elastic, which of the following causes is more possible?
1. AA leak of brake fluids or very low level of brake fluids.
2. BThe friction surfaces may be wet.
3. CThe friction surfaces may have been destroyed.
Right answer: A. An official question of the Ministry, in its official translation.
No. 72
Why should you regularly check the quantity (level) of engine oil?
1. ASo as not to miss guarantee of the vehicle.
2. BSo as to check whether it needs to be changed.
3. CFor any leaks or excessive oil combustion by the engine.
Right answer: C. An official question of the Ministry, in its official translation.
No. 74
How often must the periodical technical control of a private passenger car be carried out?
1. AEvery four years.
2. BEvery two years.
3. CEvery year.
Right answer: B. An official question of the Ministry, in its official translation.
No. 75
When driving your car you realize that suddenly some lights do not switch on, what may happen?
1. AA battery failure.
2. BThe fuse of the relevant electrical circuit has blown.
3. CAn engine failure.
Right answer: B. An official question of the Ministry, in its official translation.
No. 78
What does size 15 indicate on a tyre 175/70 R15 87T?
1. AExternal diameter of the tyre.
2. BDiameter of the wheel-rim to which the tyre can be fit.
3. CMaximum load the tyre can bear.
Right answer: B. An official question of the Ministry, in its official translation.
No. 80
The tyres of your vehicle are very worn on the middle of the tread. It is very likely that:
1. AThere was a high tyre pressure for a long period.
2. BThere was a low tyre pressure for a long period.
3. CThis is the normal type of wear.
Right answer: A. An official question of the Ministry, in its official translation.
No. 81
When you notice on the dashboard that the engine has been overheated, which of the following is the possible cause?
1. AMalfunction of the distributor.
2. BMalfunction of the thermostat.
3. CMalfunction of the brakes.
Right answer: B. An official question of the Ministry, in its official translation.
No. 82
While driving you notice that the temperature gauge of your vehicle shows a fast temperature raise. The most possible cause of this is:
1. AThe level of engine lubrication oil is low.
2. BThe sparking plugs have oil.
3. CThe belt of the fan is broken.
Right answer: C. An official question of the Ministry, in its official translation.
No. 83
The emission of smoke from a diesel-engined passenger car may be due:
1. AA blocked air filter.
2. BA failure of the injection system.
3. CA blocked fuel filter.
Right answer: B. An official question of the Ministry, in its official translation.
No. 84
What happens when you are driving with a very low tyre pressure?
1. AThe tyres may be damaged due to overheating.
2. BDriving stability is reduced.
3. CTyres last longer.
Right answer: A. An official question of the Ministry, in its official translation.
No. 87
Who is responsible for the good condition of a vehicle that has a licence?
1. AThe owner or holder of the car.
2. BThe insurance company.
3. CThe driver.
Right answer: A. An official question of the Ministry, in its official translation.
No. 88
What may happen if the wheels of the same axle present dissimilar braking?
1. AThe vehicle may slide laterally.
2. BThe wheel which does not brake well is immobilised first.
3. CThe braking distance is shorter.
Right answer: A. An official question of the Ministry, in its official translation.

You should not fit to your vehicle:

You are not recommended to fit to your vehicle:

As regards the level of the lubrication oil in the gear-box:

Should wheel alignment and balancing be performed by the driver himself?

The aim of the tyre tread is to:

Does a lamp have unlimited lifetime?

A bad balancing:

A bad wheel alignment causes:

What may cause difficulty in handling the steering-wheel when the car is moving?

Must the tyres of the same axle have the same pressure?

What may be the reason for the vibration of the steering-wheel at a high speed?

If the engine has been overheated due to a lack of refrigerating fluid, what should you do?

When the starter motor (ignition) does not work, what is the possible cause?

What may a destroyed thermostat which remains off due to a failure cause?

How often should you normally check the pressure of the tyres of your car?

In case of removal of the catalytic converter of a car, what happens?

What is the consequence of a dirty air filter?

When are you allowed to drive a motor vehicle in public roads?

What is the cause of the blue smoke that comes from the exhaust pipe of a petrol-engined car?

When the starter motor does not work, which of the following is the possible cause?

What is the main consequence of a fan operation failure?

On which wheels of the car should you preferably fit new tyres?

What is the main consequence of the loosening of the cooling water pump belt?

In case of jamming of the starter motor (ignition), how can this damage be repaired?

How will you realize that your exhaust pipe needs to be replaced?

What is the multiplier?

What is the usefulness of the clutch?

When may a battery suffer a damage?

In case a fuse has blown you should replace it:

How can you check whether the automatic seat belts work?

If you notice that a lamp of one of the lights of your vehicle does not switch on, you should first check:

What is the aim of the handbrake?

How can you realize mainly that the fan does not work:

What is the aim of the thermostat?

What should you do if the engine oil pressure lamp is on while the engine works?

What should the tyres of the same axle have?

During the movement of the car, you notice that this deviates from a straight course to one side. What is the possible cause?

You notice that one tyre of the car has lost air and you have to replace the wheel with a spare one. How should you unscrew the bolts which support the wheel?

What kind of tyres should you fit to your car?

If the fuse of an electrical circuit (e.g. lights) of your car is blown, what should you do?

When there is lack of refrigerating fluid in the radiator of a car or the belt of the ventilator is cut or loose or there is lack of engine oil, what is the possible indication to be shown on the dashboard?

During winter mainly in order to prevent engine cracks, what kind of fluid should you pour into the radiator of the engine?

When you notice an engine overheating on the dashboard, which of the following causes are possible?

When the car engine presents interruptions during its operation, which are not due to a lack of petrol, which of the following causes is more possible?

In the event that you realize that the footbrake pedal is very elastic, which of the following causes is more possible?

Why should you regularly check the quantity (level) of engine oil?

How often must the periodical technical control of a private passenger car be carried out?

When driving your car you realize that suddenly some lights do not switch on, what may happen?

What does size 15 indicate on a tyre 175/70 R15 87T?

The tyres of your vehicle are very worn on the middle of the tread. It is very likely that:

When you notice on the dashboard that the engine has been overheated, which of the following is the possible cause?

While driving you notice that the temperature gauge of your vehicle shows a fast temperature raise. The most possible cause of this is:

The emission of smoke from a diesel-engined passenger car may be due:

What happens when you are driving with a very low tyre pressure?

Who is responsible for the good condition of a vehicle that has a licence?

What may happen if the wheels of the same axle present dissimilar braking?