You're pulling triples and must make a sudden lane change. Which unit is most likely to roll?
Right! Rearward amplification makes the last trailer of triples 3.5 times as likely to roll as the tractor. 📖 p. 6-1
From Section 6 of the Maine Commercial Driver License Manual
Maine 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 Maine 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
Maine answers about this test
Practice material, not the official test: check every answer in your state's current handbook. Disclaimer · How the rounds work · BMV
All Maine 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 Maine CDL plan, in order.