MT CDL DOUBLES TRIPLES TEST - PRACTICE TEST
11.
When the wheels of a trailer lock up:
|
ABS will increase stopping power.
|
|
|
the trailer will tend to swing around.
|
|
|
the vehicle will gradually come to a complete stop.
|
|
|
All of the above.
|
12.
When stopping you should push the brake pedal down:
|
gradually.
|
|
|
quickly.
|
|
|
repeatedly.
|
|
|
as hard as you can.
|
13.
What is true about tire chains?
|
You must carry the at least 6 chains and extra cross-links.
|
|
|
You should learn how to put the chains on before you need to do it in snow.
|
|
|
You should watch the official video tutorial by the manifacturer before putting them on.
|
|
|
All of the above.
|
14.
Combination vehicles usually:
|
require more driving skill than single CMVs.
|
|
|
are easier to drive than single than single CMVs.
|
|
|
are shorter than single than single CMVs.
|
|
|
All of the above.
|
15.
If a trailer does not have spring brakes, to keep the trailer from moving you should:
|
close the brake valve.
|
|
|
use the service brakes.
|
|
|
park on a slight decline.
|
|
|
use wheel chocks.
|
16.
When backing, it is best to:
|
use only the passenger's side mirror.
|
|
|
use a helper whenever possible.
|
|
|
try to back in the direction of the drift.
|
|
|
back toward the passenger's side when possible.
|
17.
When you discover a fire, if the trailer doors are hot you should not open them because:
|
with air many fires do less damage.
|
|
|
you should use the fire extinguisher on the door.
|
|
|
opening the doors lets air in and may make the fire flare up.
|
|
|
the temperature of the trailer should not be changed in any way.
|
18.
Which of the following vehicles is most likely to turn over?
|
65 ft. conventional double
|
|
|
Triple trailer
|
|
|
5 axle tractor semitrailer
|
|
|
3 axle tractor semitrailer
|
19.
When going down a steep downgrade, you should primarily brake using:
|
the parking brake.
|
|
|
the braking effect of the engine.
|
|
|
the service brakes.
|
|
|
the emergency brake.
|
20.
Pre-trip inspections are:
|
recommended.
|
|
|
required only for trips of more than 100 miles.
|
|
|
required by law
|
|
|
required only for trips of more than 50 miles.
|
GRADE ME
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More