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Pennsylvania CDL Practice Test: Tank - Test 5 2020

(From the 2020 Pennsylvania CDL Handbook)
Number of tests: 33
Number of questions: 30
Passing score: 80

Directions: 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 Pennsylvania Commercial Driver 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 Pennsylvania DMV locations.

You have made error(s) so far.
Your Challenge Library: 0

1. What can cause a decrease in air pressure?

2. How many digits are identification numbers of hazardous materials?

3. Baffles in liquid cargo tanks do not usually prevent the liquid surge movement from _______.

4. The effects of liquid surge can be particularly dangerous for tankers driving on what type of surface?

5. Typically, if a trailer is made before 1975 and equipped with air brakes, it will _________.

6. Tanks can roll over easily because ____________.

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