1.
The total stopping distance for vehicles with air brake systems is made up of __ different factors.
5
|
|
3
|
|
4
|
|
2
|
2.
If you are being tailgated, you should:
try to let the other vehicle pass.
|
|
drive on the shoulder.
|
|
turn on your taillights.
|
|
speed up.
|
3.
To prevent rollover, you should:
place the cargo near the rear of the trailer.
|
|
place the cargo near the front of the trailer.
|
|
keep the cargo as close to the ground as possible.
|
|
put the lightest parts of the cargo under the heaviest parts.
|
4.
Foundation brakes are used:
only with the rear wheels.
|
|
at each wheel.
|
|
only with the right wheels.
|
|
only with the front wheels.
|
5.
To check the slack adjusters on S-cam brakes, you should:
park on level ground, chock the wheels and release the parking brakes, then use gloves and pull hard on each slack adjuster that you can reach.
|
|
park on level ground and fan off the air pressure by rapidly applying and releasing the foot brake.
|
|
release the parking brake valve and begin reducing the air pressure by stepping on and off the brake pedal.
|
|
All of the above.
|
6.
After supplying air to the trailer brake system, you should check the brake system for crossed air lines by:
applying and releasing the trailer brakes and listening for the sound of trailer brakes.
|
|
shutting the engine off so you can hear the brakes.
|
|
checking the air brake system pressure gauge for signs of major air loss.
|
|
All of the above.
|
7.
To check that spring brakes come on automatically, the first thing to do is to:
turn off the engine, release the parking brake and time the air pressure drop.
|
|
release the parking brake, move the vehicle forward slowly, and apply the brakes firmly.
|
|
continue to step on and off the brake pedal until the air pressure falls to the manufacturer’s specification.
|
|
All of the above.
|
8.
An ABS system:
gives you more control over the vehicle during braking.
|
|
keep your wheels from locking when you brake hard.
|
|
helps you avoid skids caused by over braking.
|
|
All of the above.
|
9.
Some vehicles have a separate air tank which can be used to:
hold the vehicle or combination of vehicles stationary.
|
|
unload cargo or passengers.
|
|
turn on the 4-way emergency flashers.
|
|
release the spring brakes.
|
10.
ABS:
improves your visibility at night.
|
|
may cause your wheels to lock when you break hard.
|
|
helps you avoid skids caused by over braking.
|
|
helps you stop faster.
|
Next page
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More