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Oregon CDL Practice Test: Tank - Test 2 2023

Instruction: To obtain this endorsement for hauling any liquid or gaseous materials in a tank or tanks, applicants must pass a 15-question test. And to pass the test, applicants must score at least 80%. Test questions are from the OR CDL Handbook. The Tanker Vehicles endorsement can be used with the Class A, B, or C CDL. If you need additional information, please contact your local DMV office. You can find your nearest DMV office at Oregon DMV locations.

1. At what psi should you typically expect the air supply control to pop out?
A
Shift to a lower gear, do not use the brakes.
B
Apply the brakes in slow, steady strokes.
C
Apply the brakes quickly and firmly.
D
Shift into neutral, do not use the brakes.
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