Step 3 » GENERAL learning environment Category D (D, D1, Tb, Tv)

GENERAL Learning Environment Category D (D, D1, Tb, Tv)
Question 178 of 485

The electromagnetic retarder generates, during its use, an electromagnetic field that brakes:

A the engine shaft;
B the wheels of the motor vehicle;
C the transmission shaft (cardan).

Explanation

Explanation text category D / driving test questionnaires:
Buses and heavy trucks have, apart from the wheel brake, other retardation devices. The exhaust brake (the engine brake) is a retarder that interrupts the diesel supply and blocks the exhaust gases. The electromagnetic brake is a retarder that brakes the cardan shaft (the transmission), with the help of an electromagnet.
So the electromagnetic retarder generates, during its use, an electromagnetic field that brakes the transmission shaft (cardan).
Correct answer: C
 
Driving test questionnaires category D explained.

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