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Home/Practice quizzes/Single-unit air brakes

Single-unit air brakes practice quiz

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Single-unit air brakesQuestion 24 of 200
Correct29%7 of 24 answered
Incorrect71%17 of 24 answered

What does Type 30 mean for a regular brake chamber?

AIt has 30 inches of pushrod travel.
BIt is used only above 30 psi.
CIts diaphragm has 30 square inches of effective area.Your answerCorrect answer
Correct.

A Type 30 chamber has 30 square inches of effective diaphragm area. (Guide p. 149)

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