Test 4
20 questions • Permit D and D1 (English)
Vehicle mechanics and operation
1
The coolant level in the expansion tank is...
Vehicle mechanics and operation
2
Between which parts is the intake manifold of a diesel engine generally located?
Vehicle mechanics and operation
3
Which element prevents the engine from over-revving in combustion engines?
Vehicle mechanics and operation
4
In the radiator, where does the hot coolant coming from the engine enter?
Vehicle mechanics and operation
5
In gasoline injection engines, what must be done to avoid black smoke caused by excess fuel?
Vehicle mechanics and operation
6
In an engine that is cold, fuel consumption...
Vehicle mechanics and operation
7
If, when operating the electric starter with the lights on, you notice that they dim considerably...
Vehicle mechanics and operation
8
The holes in the caps of a battery, which serve as vents, have the purpose of...
Vehicle mechanics and operation
9
If, after examining the characteristics of a tire, the sidewall reads "175/70 R 13". What does the number 175 indicate?
Vehicle mechanics and operation
10
Which of these elements does not belong to the low-pressure circuit of the diesel injection system?
Vehicle mechanics and operation
11
Where is the big end of the connecting rod attached?
Vehicle mechanics and operation
12
What is the name of the engine part that closes the cylinders at the top?
Vehicle mechanics and operation
13
In the diesel engine, for the ignition of the mixture, the air has to reach a temperature above 500 degrees. In which stroke does the air reach that temperature?
Vehicle mechanics and operation
14
Of the following systems, which is not part of a diesel engine?
Vehicle mechanics and operation
15
What is the compression ratio of a diesel engine compared to that of a gasoline engine?
Vehicle mechanics and operation
16
Generally, how often, in time or kilometers, must the differential oil be changed?
Vehicle mechanics and operation
17
When replacing a blown fuse with another one, what must mainly be taken into account?
Vehicle mechanics and operation
18
Generally, where is the thermostat located in an engine?
Vehicle mechanics and operation
19
In the four-stroke internal combustion engine, during compression, the piston...
Vehicle mechanics and operation
20
The oil filler hole for the engine lubricating oil is located in...
