New York CDL Practice Test: Tank - Test 2026
Based on
2026 NY CDL Handbook
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 NY 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 New York DMV locations.
4. A trailer air supply that is in good working condition will pop out when the air pressure falls into what range?
A
5 to 20 psi.
B
20 to 45 psi.
C
10 to 30 psi.
D
20 to 60 psi.