New Mexico Doubles/Triples Practice Test 2
35 questions covering doubles/triples content, drawn from the FMCSA-aligned CDL question pool and the New Mexico Commercial Driver's License Manual.
What this test covers
The Doubles/Triples knowledge test typically has 20 multiple-choice questions with an 80% passing score. Questions cover coupling and uncoupling procedures for double and triple trailers, rearward amplification (crack-the-whip effect), inspection of multiple trailers and their connections, proper trailer order (heaviest trailer closest to the cab), rollover risks, braking distances for longer combinations, and the specific handling differences between doubles and triples.
Sample Doubles/Triples questions
Preview of what is on Practice Test 2. Unlock with Pro to take the full 35-question test.
Which class of CDL is required before a driver may obtain a Doubles/Triples (T) endorsement?
Triple trailers (three trailers) are:
When pulling doubles or triples, the heaviest trailer should be placed: