South Carolina
arrow

South Carolina CDL Practice Test: Double and Triples - Test 3 2023

Instruction: To obtain this endorsement for pulling two or three trailers, applicants must pass a 15-question test. And to pass the test, applicants must score at least 80%. Test questions are from the SC CDL Handbook. The Double/Triple trailers endorsement can be used with the Class A CDL. If you need additional information, please contact your local DMV office. You can find your nearest DMV office at South Carolina DMV locations.

1. Usually, a fully charged air system has _______ psi.
A
90 psi.
B
125 psi.
C
100 psi.
D
60 psi.
More
1/29
Progress
0
Errors
Restart
Next
Next
Double and Triples - Test 3
  • Back to Test List
  • Double and Triples - Test 2
  • Double and Triples - Test 4
  • Challenge Library
    12