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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 37 of 200
Correct30%11 of 37 answered
Incorrect70%26 of 37 answered

During fifth-wheel uncoupling, where should the tractor first stop after beginning to pull forward?

AWith the trailer kingpin still fully locked
BOne vehicle length away
CAfter the tractor clears the trailer completelyYour answer
DWhen the fifth wheel begins to clear the apron, so trailer support can be checkedCorrect answer
Incorrect.

Pull forward only until the fifth wheel starts to clear the apron, then verify the landing gear supports the trailer. (Guide p. 86)

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