Vehicle mechanics and operation (Test 12)
10 questions • Permit D and D1 (English)
Vehicle mechanics and operation
1
In a combustion engine fitted with a direct injection system, where does the mixing of air and fuel take place?
Vehicle mechanics and operation
2
Under what temperature conditions must the inflation pressure of a bus's tires be checked?
Vehicle mechanics and operation
3
When buying a new tire, the standardized European label provides key data on safety and environmental impact. Which parameter is shown on it?
Vehicle mechanics and operation
4
What regulatory color must the marker lights installed on a bus be?
Vehicle mechanics and operation
5
In the pneumatic braking system of a bus, what main job does the unloader valve perform?
Vehicle mechanics and operation
6
In a hydraulic clutch control, how does the force from the pedal reach the release lever?
Vehicle mechanics and operation
7
Is it necessary to carry out maintenance on the automatic gearbox of a bus?
Vehicle mechanics and operation
8
Does the size of a bus's frontal area affect the aerodynamic drag it experiences when moving?
Vehicle mechanics and operation
9
Within the engine cooling system, what is the main job of the radiator?
Vehicle mechanics and operation
10
Is it mandatory for a bus to be equipped with a rear fog light?
