California Doubles and Triples (T) Endorsement Knowledge Test Practice Questions
105 original questions with cited readings, answer explanations, and feedback for each alternative.
Approved after AI editorial review on 2026-10-30. These are original practice questions, not official California Department of Motor Vehicles (DMV) exam questions.
Official exam outline from California Department of Motor Vehicles (DMV)Loading questions…
Practice coverage
This bank uses the following practice allocation. Check the official exam outline for current ranges and requirements.
- Driving doubles and triples (Sections 6.1 and 7.1): 30%
- Coupling and uncoupling (Section 7.2, with the tractor-trailer steps in Section 6.4): 25%
- Inspecting doubles, triples and combinations (Sections 6.5 and 7.3): 15%
- Air brakes on combinations and the doubles brake check (Sections 6.2, 6.3 and 7.4): 20%
- Federal rules for the double/triple endorsement (49 CFR 383.93, 383.115, 383.153, 393.70): 10%