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Home/Practice quizzes/Single-unit air brakes

Single-unit air brakes practice quiz

Choose an answer, read the explanation, then continue to the next question. Your results include a review of every answer.

Single-unit air brakesQuestion 5 of 200
Correct40%2 of 5 answered
Incorrect60%3 of 5 answered

What should a driver do if the low-air warning activates while driving?

AContinue until the spring brakes apply.Your answer
BPump the brake pedal rapidly to silence it.
CStop promptly, find the cause and do not continue until the system is safe.Correct answer
Incorrect.

About 60 psi should remain for a prompt stop; the cause must be found and repaired before continuing. (Guide p. 158)

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Study aid only. These are not official ICBC exam questions, and practice scores do not predict an official test result.