Before you go under the trailer to inspect the coupling, what should you do with the key?
Right! Shut off the engine and take the key so no one moves the truck while you are under it. 📖 p. 6-8
From Section 6 of the Montana Commercial Driver License Manual
Montana CDL Combination Vehicles Practice Test
Who takes it: Class A.
Tractor-trailers and trucks pulling a heavy trailer. 20 questions, 16 right to pass (80%).
Practice Combination Vehicles
- 10questions a round
- 1manual section
Take the Combination Vehicles test
- 20questions
- 16correct to pass
- –no test taken yet
A Combination Vehicles question to try
Tap an answer to see if you’re right, and the page
Where it is in the Montana Commercial Driver License Manual
Your score on each part fills in as you study.
- Manual section 6
- Combination vehiclesNot practiced yetp. 6-1 to 6-14
Montana answers about this test
Practice material, not the official test: check every answer in your state's current handbook. Disclaimer · How the rounds work · MVD
All Montana CDL tests
- General Knowledge
- Combination VehiclesYou're here
- Air Brakes
- Doubles and Triples
- Passenger
- School Bus
- Tank Vehicles
- Hazardous Materials
- Which tests do you need?Pick what you'll drive and get your Montana CDL plan, in order.