2026 Oregon Passenger CDL Practice Test 4

Which of the following statements about the roof hatches is true?

You may not leave the roof hatches open at any time. Always leave the roof hatches partly open. You can lock the roof hatches in a partly open position for fresh air. The bus has lower clearance when the roof hatches are open.

Correct Answer:

You can lock the roof hatches in a partly open position for fresh air.

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