Florida CDL Practice Test: Double and Triples - Test 5 2026
Based on
2026 FL CDL Handbook
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 FL 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 Florida DMV locations.
5. Why should you keep the fifth wheel plate lubricated?
A
To make a turn at the curve more smoothly.
B
To drive faster.
C
No need to lubricate it.
D
To allow your trailer to move smoothly and freely while on the road.