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Drivers who want to drive combination vehicles must pass the combination vehicles test. The Massachusetts CDL combination test consists of 20 questions, and you'll need at least 16 correct answers to pass (80%). The test covers the combination vehicles section of the Massachusetts CDL Manual. Take this practice test now to prepare for the actual MA CDL combination test!
1. Empty trucks have the best braking. True or False?
It depends on the truck.
It depends on the cargo.
2. On front tires, tread should be at least:
4/16 inch
2/32 inch
4/32 inch
1/16 inch
3. If a load is placed on one side of the trailer:
the steering axle weight will be too light to steer safely.
a rollover is more likely.
making turns may be easier.
your brakes won't work.
4. What is countersteering?
Locking your wheels while turning in an emergency situation.
Staying off the brake while steering to the right to avoid an accident.
Turning the steering wheel quickly the other way after steering in an emergency situation.
Driving too fast for conditions.
5. To prevent rollover, drivers of combination vehicles should:
brake while turning.
keep the load is to one side.
make sure the cargo is not centered and spread out.
keep the cargo as close to the ground as possible.
6. To secure the tractor you should:
Connect the tractor service air-line to the trailer service glad hand.
Check that the kingpin and the fifth-wheel are aligned.
Put on the parking brake and put the transmission in neutral.
All of the above.
7. When you use your mirrors while driving on the road, you should:
stare for a long time at the mirror.
only use the driver's side mirror.
check them quickly.
avoid checking them regularly.
8. If a trailer does not have spring brakes, to keep the trailer from moving you should:
use wheel chocks.
park on a slight decline.
close the brake valve.
use the service brakes.
9. Brake fade results from, and is affected by:
excessive heat caused by not relying on the engine braking effect.
excessive heat caused by using the brakes too much.
brakes out of adjustment.
All of the above.
10. When driving with cargo, you should re-check the cargo and securing devices as often as necessary to keep the load secure, and inspect again:
every 6 hours or 300 miles.
every 3 hours or 150 miles.
every day.
every 30 minutes or 50 miles.
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MA CDL Combination Test

Number of questions: 20
Correct answers to pass:16
Passing score:80%
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