Φορτηγό

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Φορτηγό - ΣΥΝΤΗΡΗΣΗ 23

Multiple choice question

In a lorry that has a braking system with compressed air (air brakes), where should the driver direct his attention mainly?

To the way the brakes act.

The way the footbrake pedal goes down, when pressed.

To the indications of the manometers on the dashboard.



Φορτηγό - ΣΥΝΤΗΡΗΣΗ 20

Multiple choice question

If your tyres of your car have a pressure higher than the normal, where will they present an increased wear?

On the middle (centre) of the tread.

On the sides of the tread.

Only on the internal side of the tread.

Φορτηγό - ΣΥΝΤΗΡΗΣΗ 2

Multiple choice question

When the exhaust gases of the diesel engine are very dark, what is the possible cause?

Low pressure of the cylinder.

Defective supply of the injection pump.

Low temperature of the engine.

Φορτηγό - ΣΥΝΤΗΡΗΣΗ 19

Multiple choice question

You notice that the diesel engine of your lorry, while started, stops after a few revolutions. What may be the cause of this?

Obstruction of the feeding system.

Low compression of the cylinders.

Improper internal timing of the injection pump.

Φορτηγό - ΣΥΝΤΗΡΗΣΗ 18

Multiple choice question

What causes overheating of the engine?

Malfunction of the thermostat.

Excessive fuel consumption.

Increase of the external temperature.

Φορτηγό - ΣΥΝΤΗΡΗΣΗ 15

Multiple choice question

When the disengagement is difficult, what is the possible cause?

The disc is fixed on the flywheel.

The friction materials may have been overheated.

Oil or grease may exist in the friction materials.



Φορτηγό - ΣΥΝΤΗΡΗΣΗ 11

Multiple choice question

When the diesel-engine emits excessive soot (smoke), what should you do?

Change the lubrication oil.

Immediately repair the engine.

Check and regulate the pump and fuel injectors and clean the air filter.

Φορτηγό - ΣΥΝΤΗΡΗΣΗ 10

Multiple choice question

Engine air filter must be cleaned:

For the reduction of oil consumption.

For facilitating the suction of the normal air quantity without any obstacles.

For the better cleaning of the air.

Φορτηγό - ΣΥΝΤΗΡΗΣΗ 1

Multiple choice question

A low temperature of the engine is noted. What may be the possible cause?

A failure of the thermostat.

A power-cut of the fan.

Small capacity of the radiator.

Φορτηγό - ΣΗΜΑΝΣΗ 58

Multiple choice question

Which vehicles does this traffic sign concern?

Vehicles carrying hazardous materials.

Vehicles carrying over a certain quantity of materials that may cause water pollution.

Vehicles carrying over a certain quantity of explosive or inflammable materials.


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