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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
Correct22%4 of 18 answered
Incorrect78%14 of 18 answered

Which control is applied while moving slowly to check trailer service-brake response near the end of the Class 1 pre-trip?

AThe tractor parking-brake control
BThe low-air warning control
CThe trailer hand valveYour answerCorrect answer
Correct.

The final response tests include moving ahead slowly and gently applying the trailer hand valve to check trailer brake response. (Guide p. 213)

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