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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 13 of 200
Correct15%2 of 13 answered
Incorrect85%11 of 13 answered
Single-needle and dual-needle air-pressure gauges
Read both primary and secondary pressures.

What does a two-needle dashboard air-pressure gauge normally display?

APrimary and secondary service-reservoir pressuresCorrect answer
BLeft and right tire pressures
CEngine oil and coolant pressuresYour answer
Incorrect.

A two-needle gauge lets the driver monitor both service-reservoir circuits. (Guide p. 157)

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