What does a four-stroke diesel-engine suck during induction stroke:
A mixture of diesel oil and air.
Only diesel oil.
Only air.
Question 2
The speed limiter device is fitted to buses, in pursuance of the directive 92/6/EEC, and restricts their speed to?
90 km/h.
110 km/h.
100 km/h.
Question 3
At least how many exterior rear-view mirrors should a bus have?
Two (2).
Four (4).
Three (3).
Question 4
Why, when you press the accelerator pedal, is the power produced by a diesel engine increased?
Because the inlet valve opens more.
Because more diesel goes to the fuel injectors.
Because current of greater intensity goes to the sparkling plug.
Question 5
How do pistons transfer the pressure created by the mixture explosion to the crankshaft?
With the help of the connecting rod.
Through the valve tappers.
Through the camshaft.
Question 6
What administrative sanctions are prescribed if somebody drives a vehicle whilst disqualified?
Deprivation of the right of licence reissue for at least five (5) years.
Deprivation of the right of licence reissue for at least three (3) years.
Deprivation of the right of licence reissue for at least ten (10) years.
Question 7
What does this traffic sign mean?
Pedestrian crossing.
Pedestrians are forbidden.
Underground pedestrian crossing.
Question 8
When a school bus stops in order to allow students to get on and off, how can the drivers of other vehicles be informed of that?
The right indicator is flashing.
The hazard warning lights are on.
Question 9
If a city or inter-city bus carries standing passengers, which is the maximum permissible speed limit?
70 km/h.
60 km/h.
50 km/h.
Question 10
In case of a tachograph damage, what should the car driver do?
Repair the apparatus, when possible.
Ensure its quick repair, reporting the fact to the closest police authority.
Inform the vehicle’s owner.
Time 15'
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