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The braking effect of the engine on a long steep downgrade should only supplement the use of brakes.

a) True
b) False
c) Depends on the vehicle
d) Only in certain conditions

User AndrewSas
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1 Answer

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Final answer:

The braking effect of the engine on a long steep downgrade should only supplement the use of brakes.

Step-by-step explanation:

The braking effect of the engine on a long steep downgrade should only supplement the use of brakes. This is true. Engine braking refers to using the slowing forces of an engine in low gear rather than brakes to slow down. It is an effective technique to avoid overheating and potentially damaging the brakes, especially in trucks during steep descents.

User Merrily
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