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Practice CDL knowledge test: Question 9 of 20

The braking power of the spring brakes:

A Increases when the service brakes are hot.
B Isn't affected by the condition of the service brakes.
C Depends on the service brakes being in adjustment.
A INCORRECT

The correct answer is:
Depends on the service brakes being in adjustment.

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B INCORRECT

The correct answer is:
Depends on the service brakes being in adjustment.

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C CORRECT

Depends on the service brakes being in adjustment.

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