Crist CDL free online BVM practice tests
HI Tanker Fact Sheet
Questions on Test:
20
Correct answers needed to pass:
16
Passing Score:
80%
Age to apply:
18
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Manhole covers should be

Possible Answers:

left partially open to prevent a buildup of fumes.
opened and reclosed before you drive the vehicle.
closed before you drive the vehicle.
Answer:
closed before you drive the vehicle.
Explanation:
Never drive a tank vehicle with open valves or manhole covers.

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