When uncoupling the rear trailer, which air shut-offs do you close?
Right! The shut-offs closed are the ones behind the first trailer (and the dolly's, if it has them). 📖 p. 7-5
From Section 7 of the New York State Commercial Driver's Manual (CDL-10)
New York CDL Doubles and Triples Practice Test
Who takes it: Class A, for the T endorsement.
Pulling two or three trailers. 20 questions, 16 right to pass (80%).
Practice Doubles and Triples
- 10questions a round
- 1manual section
Take the Doubles and Triples test
- 20questions
- 16correct to pass
- –no test taken yet
A Doubles and Triples question to try
Tap an answer to see if you’re right, and the page
Where it is in the New York State Commercial Driver's Manual (CDL-10)
Your score on each part fills in as you study.
- Manual section 7
- Doubles and triplesNot practiced yetp. 7-1 to 7-8
The manual says to also study Sections 5 and 6 for this test, so when a practice test needs more questions than this section has, it adds some from those sections.
New York answers about this test
Practice material, not the official test: check every answer in your state's current handbook. Disclaimer · How the rounds work · DMV
All New York CDL tests
- General Knowledge
- Combination Vehicles
- Air Brakes
- Doubles and TriplesYou're here
- Passenger
- School Bus
- Tank Vehicles
- Hazardous Materials
- Which tests do you need?Pick what you'll drive and get your New York CDL plan, in order.