Virginia CDL Practice Test: Tank - Test 3 2020

From the 2020 VA CDL Handbook
Number of questions: 30
Passing score: 80%
Acceptable number of errors: 6

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 Virginia 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 Virginia DMV locations.

1. What can cause a decrease in air pressure?
A
Maintain the 4-second following distance rule
B
Decrease following distance to 2 seconds
C
Increase following distance to 5 or 6 seconds
D
Not be concerned about following distance
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