Test 3
20 questions • Permit D and D1 (English)
Vehicle mechanics and operation
1
Glow plugs are used in diesel engines to...
Vehicle mechanics and operation
2
What can happen if an engine with worn piston rings keeps running?
Vehicle mechanics and operation
3
The valve lash (tappet clearance) of the exhaust valves has to be greater than that of the intake valves. Could you say why?
Vehicle mechanics and operation
4
How is the force to move a vehicle equipped with a diesel engine obtained?
Vehicle mechanics and operation
5
Where is the rocker cover located?
Vehicle mechanics and operation
6
What maintenance does the steering mechanism mainly require?
Vehicle mechanics and operation
7
In diesel engines, during intake and compression, what is the purpose of the air turbulence?
Vehicle mechanics and operation
8
In a four-cylinder engine, what is meant by the engine capacity?
Vehicle mechanics and operation
9
If you notice that the outer edge of the tire tread is excessively worn, you must...
Vehicle mechanics and operation
10
If the steering system of your truck is not equipped with a power-assisted mechanism, when does the movement of the steering wheel become harder and heavier?
Vehicle mechanics and operation
11
A truck equipped with a pneumatic braking system, how many brake cylinders or brake chambers does it have installed?
Vehicle mechanics and operation
12
Every how many kilometers must disc brake pads be adjusted closer to the disc?
Vehicle mechanics and operation
13
What is the function of the bleed valve (bleeder) in the hydraulic brake circuit?
Vehicle mechanics and operation
14
Which engine element, and by means of which mechanisms, turns the camshaft?
Vehicle mechanics and operation
15
Piston rings are...
Vehicle mechanics and operation
16
When the inscription “TUBELESS” appears on tires, greater attention must be paid to the inflation pressure, because...
Vehicle mechanics and operation
17
What advantages does an exhaust with a catalytic converter have?
Vehicle mechanics and operation
18
If drops of water fall from the exhaust pipe after a cold start, it means that...
Weights, dimensions and passengers
19
What does the load index of a tire indicate?
Vehicle mechanics and operation
20
Dry sump lubrication consists of...
