1.
For safe handling, the heaviest trailer should be:
the last trailer.
|
|
the second trailer in a triple.
|
|
behind the tractor.
|
|
None of the above.
|
2.
Headache racks:
help you keep weights within legal limits.
|
|
protect you from being hit by your cargo.
|
|
can blind other drivers.
|
|
None of the above.
|
3.
On any upgrade, gravity:
speed you up.
|
|
slows you down.
|
|
doubles your speed.
|
|
doesn't affect your speed.
|
4.
To start moving without rolling back, you should:
partly engage the clutch before you take your right foot off the brake.
|
|
apply the trailer brake hand valve.
|
|
put on the parking brake whenever necessary.
|
|
All of the above.
|
5.
If your brakes fail on a steep mountain downgrade, you should:
stay on the road and keep looking for the next available escape ramp.
|
|
slow down until your vehicle comes to a complete stop.
|
|
set the parking brake and park in an open area.
|
|
decide what to do as soon as you know your brakes do not work.
|
6.
Which of the following statements is true?
There is no way that short circuits due to damaged insulation can cause a vehicle fire.
|
|
Carrying a properly charged and rated fire extinguisher will help prevent fires.
|
|
Poor cargo ventilation is a common cause of fire.
|
|
Under-inflated tires will NOT cause a vehicle fire.
|
7.
Driving in very hot weather:
can make it difficult to stay in your lane.
|
|
should never be done.
|
|
can increase tire pressure.
|
|
can decrease oil pressure.
|
8.
You must have at least _____ inch tread depth in every major groove on front tires.
3/32
|
|
6/32
|
|
4/32
|
|
2/32
|
9.
You should do an after-trip inspection:
once a month.
|
|
after each trip.
|
|
at least once a week.
|
|
after each stop.
|
10.
Engine oil pressure should come up to normal within _________ after the engine is started.
two minutes
|
|
seconds
|
|
five minutes
|
|
ten minutes
|
Next page
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More
Rate This Free Test