Save Time and Get a Pass Guarantee! LIMITED-TIME OFFER: Get CDL PREMIUM Now and SAVE $64! Upgrade To Premium


View instructions
Safely pulling double and triple trailers requires knowledge and skill. If you want to pull double or triple trailers, you must add the Doubles/Triples (T) endorsement to your Class A CDL. The Maine doubles triples test consists of 20 questions. To pass, you must correctly answer at least 16 questions (80%). The ME CDL doubles triples test covers the following sections of the Maine CDL Manual: Driving Safely, Air Brakes (if you plan to operate vehicles equipped with air brakes), Combination Vehicles, Doubles and Triples. Take this ME CDL practice test now to prepare for the actual test!
1. Doubles/triples are:
less stable than other CMVs.
easier to drive than other CMVs.
usually faster than most CMVs.
2. ABS helps you:
brake harder.
drive faster.
None of the above.
3. You are driving on a steep downgrade in the proper low gear. Your "safe" speed is 40 mph. When your speed reaches 40 mph, you should:
apply the brakes to quickly reduce your speed to 25 mph, and then release the brakes.
apply the brakes to gradually reduce your speed to 35 mph, and then release the brakes.
increase your speed to approximately 45 mph, and then apply release the brakes.
4. Over-length loads:
require special transit permits.
may require special equipment such as "wide load" or flags.
All of the above.
5. Large vehicles take longer to stop when they are:
heavily loaded but not fully loaded.
fully loaded.
6. If there is a fire in your vehicle, do NOT:
park in an open area.
notify emergency services.
pull into a service station.
7. Foundation brakes are used:
only with the front wheels.
at each wheel.
only with the right wheels.
8. If your vehicle has air brakes, to check that air flows to all trailers:
watch each trailer’s air gauge for a drop of 25 psi.
pull gently on the trailer with the tractor.
go to the rear of the second trailer and open the emergency line shut-off.
9. Emergency equipment is:
only required when transporting hazardous materials.
10. If you must stop on a one-way or divided highway, you should place warning devices _______ toward the approaching traffic.
10, 100 and 200 feet
5, 50 and 500 feet
5, 25 and 50 feet
Page 1 of 2
Next page  
Rate This Free Test
5 out of 5
based on 359 votes

ME Doubles Triples CDL Test

Number of questions: 20
Correct answers to pass:16
Passing score:80%
Number of questions: 20
Correct answers to pass:16
Passing score:80%
Share This Online CDL Test