During the walk-around you see the fifth wheel jaws closed around the kingpin's head. Is that OK?
Right! The locking jaws must close around the kingpin's shank, not its head. 📖 p. 6-13
From Section 6 of the New Hampshire Commercial Driver’s Manual
New Hampshire 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 New Hampshire Commercial Driver’s Manual
Your score on each part fills in as you study.
- Manual section 6
- Combination vehiclesNot practiced yetp. 6-1 to 6-14
New Hampshire answers about this test
- How many questions are on the New Hampshire CDL general knowledge test?
- What does this New Hampshire CDL practice test cover?
- Which knowledge tests does each New Hampshire CDL class need?
- Does a small tank truck need a CDL in New Hampshire?
- Is driving under an out-of-service order a crime in New Hampshire?
Practice material, not the official test: check every answer in your state's current handbook. Disclaimer · How the rounds work · DMV
All New Hampshire 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 New Hampshire CDL plan, in order.