MA CDL GENERAL KNOWLEDGE TEST - CDL PRACTICE TEST

21. Distracted driving may be caused by _________ while driving.
listening to music
eating
maintaining constant speed
All of the above.
22. The _______ applies and releases the brakes when you use the brake pedal during normal driving.
trailer brake system
service brake system
parking brake system
emergency brake system
23. Railroad crossings with steep approaches:
are the safest type of railroad crossing.
require drivers to shift gears while crossing the tracks.
require drivers to increase their speed before crossing the tracks.
can cause your unit to hang up on the tracks.
24. When a tire suddenly blows out while you are driving, what should you do first?
Use controlled or stab braking.
Use the parking brake.
Hold the steering wheel firmly and stay off the brakes.
Brake lightly and hold the steering wheel firmly.
25. Use your four-way emergency flashers:
when stopping at railroad highway crossings.
when parked at the side of the road.
to warn drivers behind you that people are working on the road.
All of the above.
26. Empty trucks have the best braking. True or False?
False.
It depends on the cargo.
True.
It depends on the truck.
27. Which of the following is NOT one of the four basic skills required to operate a commercial motor vehicle?
Backing safely
First-aid certification
Steering
Accelerating
28. Driving at night is _______ driving during the day.
more dangerous than
safer than
about the same as
None of the above.
29. Which of the following beverages contains the most alcohol?
A 1½-ounce shot of 80 proof liquor
A 5 ounce glass of 12% wine
A 12 ounce glass of 5% beer
All of the above.
30. The first thing to do at an accident scene is to:
call for assistance.
file an accident report.
keep another accident from happening in the same spot.
help any injured parties.
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