MISSISSIPPI CDL AIR BRAKES PRACTICE TEST
11.
The best way to know what's going on behind and to the sides of your vehicle is to:
|
ask your passenger(s).
|
|
|
lean out of the window.
|
|
|
check your mirrors regularly.
|
|
|
use the rear view camera.
|
12.
Air brakes:
|
can improve fuel efficiency.
|
|
|
are an effective way to stop large and heavy vehicles.
|
|
|
should be used only when driving on wet roads.
|
|
|
are prohibited on larger vehicles.
|
13.
You are driving on a steep downgrade. If your safe speed is 35 mph, you should apply the brakes when your speed reaches:
|
30 mph
|
|
|
25 mph
|
|
|
45 mph
|
|
|
35 mph
|
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 feeling the brakes come on.
|
|
|
by seeing it in your mirrors.
|
|
|
by recognizing tire failure.
|
15.
Which of the following statements is true?
|
Carrying a properly charged and rated fire extinguisher will help prevent fires.
|
|
|
There is no way that short circuits due to damaged insulation can cause a vehicle fire.
|
|
|
Poor cargo ventilation is a common cause of fire.
|
|
|
Under-inflated tires will NOT cause a vehicle fire.
|
Next page
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More