AIR BRAKES PRACTICE TEST - ARIZONA
16.
Slack adjusters:
|
regulate the distance between the rear wheels.
|
|
|
should move more than one inch where the push rods attach to them.
|
|
|
regulate the distance that the air brake has to travel to apply friction to the wheel.
|
17.
To brake in a way that will keep your vehicle in a straight line and allow you to turn if it becomes necessary, you can use:
|
the "stab braking" method.
|
|
|
the "controlled braking" method or the "stab braking" method.
|
|
|
the "controlled braking" method.
|
18.
Most hydraulic brake failures occur for one of two reasons, one of which is:
|
relying too much on the engine braking effect.
|
|
|
excessive downshifting.
|
|
|
loss of hydraulic pressure.
|
19.
You are going down a steep grade. Once the vehicle is in the proper low gear, you should brake just hard enough to feel a slowdown, and then release the brakes when your speed has been reduced to ____ below your safe speed.
|
5 mph
|
|
|
10 mph
|
|
|
15 mph
|
20.
The best way to know what's going on behind and to the sides of your vehicle is to:
|
use the rear view camera.
|
|
|
lean out of the window.
|
|
|
check your mirrors regularly.
|
Next page
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More