Class 1 Commercial Driver Practice · Question
Scenario 246: After coupling, you confirm the fifth wheel is locked by:
Visually inspect with a flashlight that jaws are fully closed around the kingpin and perform a tug/pull test against the locked trailer brakes. The correct answ
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Question: Scenario 246: After coupling, you confirm the fifth wheel is locked by:
Answer options: ✅ A visual check that jaws are closed around the kingpin and a tug test in low gear
- Listening for a click only
- Reading the dashboard light only
- Tapping the tractor frame
Correct answer: A visual check that jaws are closed around the kingpin and a tug test in low gear
Explanation: Visually inspect with a flashlight that jaws are fully closed around the kingpin and perform a tug/pull test against the locked trailer brakes. The correct answer is "A visual check that jaws are closed around the kingpin and a tug test in low gear". This capacity-fill scenario 246 reinforces the same competency for the class1 bank and follows the certified explanation standard.
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Question explanations
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