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Washington DC CDL Practice Test: Double and Triples - Test 2024

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 DC 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 Washington DC DMV locations.

3. Stop light switches are necessary because ________.
A
To tell drivers how fast they are driving.
B
They make your car look nice.
C
This is a trick question. Stop light switches are not necessary.
D
They warn other drivers when a vehicle is braking or coming to a stop.
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Double and Triples - Test
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