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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 20 of 200
Correct10%2 of 20 answered
Incorrect90%18 of 20 answered

Which set describes serviceable air hoses at each Class 3 foundation brake?

ALoose enough to contact the tire
BCovered in oil to hide surface damage
CSecure, leak-free and without abrasions, cuts, cracks or kinksCorrect answer
DPinched tightly at every frame bracketYour answer
Incorrect.

Foundation-brake air lines must be secure and free of leakage, abrasion, cuts, cracks and kinks. (Guide p. 216)

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