You'll be at a shipper for a few minutes. Can you hold the rig with the trailer hand valve?
Right! Air may leak away and release the trailer brakes; never park with the hand valve. 📖 p. 6-4
From Section 6 of the Mississippi Commercial Driver’s License Manual
Mississippi 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 Mississippi Commercial Driver’s License Manual
Your score on each part fills in as you study.
- Manual section 6
- Combination vehiclesNot practiced yetp. 6-1 to 6-14
Mississippi answers about this test
Practice material, not the official test: check every answer in your state's current handbook. Disclaimer · How the rounds work · DPS
All Mississippi 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 Mississippi CDL plan, in order.