CDL COMBINATION PRACTICE TEST (GA)
11.
Glad hands are:
|
securement devices.
|
|
|
warning devices.
|
|
|
coupling devices.
|
|
|
electronic devices.
|
12.
Under-loaded front axles can:
|
cause poor traction.
|
|
|
cause the drive wheels to spin easily.
|
|
|
make the steering axle weight too light to steer safely.
|
|
|
All of the above.
|
13.
Which of the following is NOT a step in backing up with a trailer?
|
Checking the outside mirrors on both sides frequently
|
|
|
Backing slowly
|
|
|
Looking at your line of travel before you begin
|
|
|
Backing quickly when the path is straight
|
14.
The best way to recognize that your trailer has started to skid is:
|
by opening the window and feeling the front of the mirror.
|
|
|
by recognizing tire failure.
|
|
|
by seeing it in your mirrors.
|
|
|
by feeling the brakes come on.
|
15.
When should you use chocks to park a trailer without spring brakes?
|
Only when parking uphill
|
|
|
Always
|
|
|
Never
|
|
|
Only when parking downhill
|
16.
If the fifth-wheel locking lever is not locked after the jaws close around the kingpin:
|
the parking brakes are on and your vehicle is safe to drive.
|
|
|
the coupling is not right and you should not drive until you get it fixed.
|
|
|
the parking brakes are on and the wheels are chocked.
|
|
|
cargo is properly blocked.
|
17.
Whenever you back up with a trailer, position your vehicle so you can back in a straight line. If you must back on a curved path, back toward:
|
the driver's side.
|
|
|
Neither side (do not back).
|
|
|
Either side.
|
|
|
the right side.
|
18.
If your vehicle catches fire, you should pull over:
|
near trees.
|
|
|
at a service station.
|
|
|
near other vehicles.
|
|
|
in an open area.
|
19.
When you turn suddenly while pulling doubles, which trailer is most likely to turn over?
|
All trailers are equally likely to turn over.
|
|
|
The rear trailer is twice as likely to turn over as the tractor.
|
|
|
The front trailer is twice as likely to turn over as the tractor.
|
|
|
None of the above.
|
20.
If your cargo only fills one-third of the length of your trailer, make sure your cargo is:
|
piled up high with heavy cargo on top.
|
|
|
centered and spread out as much as possible.
|
|
|
loaded so there is a high center of gravity.
|
|
|
to one side and as close to the ground as possible.
|
GRADE ME
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More