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Home/Practice quizzes/Class 1

Class 1 practice quiz

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

Class 1Question 18 of 200
Correct28%5 of 18 answered
Incorrect72%13 of 18 answered

During the in-cab Class 1 pre-trip, within what pressure range should the compressor stop pumping?

A60 to 80 p.s.i.Your answer
B105 to 135 p.s.i.Correct answer
C140 to 170 p.s.i.
Incorrect.

The compressor governor cut-out check expects pumping to stop between 105 and 135 p.s.i. (724 to 931 kPa). (Guide p. 208)

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