Before extending the trailer jack while uncoupling a pintle hook, what should you check?
Right! Make sure the surface under the jack pad can support the tongue load before you extend the jack. 📖 p. 6-11
From Section 6 of the Louisiana Commercial Driver License Manual
Louisiana 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 Louisiana Commercial Driver License Manual
Your score on each part fills in as you study.
- Manual section 6
- Combination vehiclesNot practiced yetp. 6-1 to 6-15
Louisiana answers about this test
Practice material, not the official test: check every answer in your state's current handbook. Disclaimer · How the rounds work · OMV
All Louisiana 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 Louisiana CDL plan, in order.