CDL · CDL general knowledge
What is correct about shifting gears and double clutching?
Correct answer: The tachometer can show you the right moment to change gears.
Answer options
- AYou should double clutch only when hauling a heavy load.
- BDouble clutching is unsafe on slippery roads and should be avoided there.
- CThe tachometer can show you the right moment to change gears. Correct
Why
While double clutching, the tachometer shows when engine rpm is in the right range to shift; you can also go by road speed. Double clutching is the normal way to shift a non-synchronized transmission, whatever the load or road surface.
About this question
Topic: CDL general knowledge License: CDL
Part of these practice sets:
Where it applies: Asked in every state.
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This question is part of Steering, Shifting and Backing (29 questions). Take the full set and check your score.
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