Not Sure You Will Pass?
Get a Pass Guarantee
Get a Pass Guarantee
UPGRADE TO CDL PREMIUM
1.
Pre-trip inspections are:
|
required only for trips of more than 100 miles.
|
|
|
required only for trips of more than 50 miles.
|
|
|
required by law
|
|
|
recommended.
|
2.
Air brakes:
|
are an effective way to stop large and heavy vehicles.
|
|
|
can improve fuel efficiency.
|
|
|
are prohibited on larger vehicles.
|
|
|
should be used only when driving on wet roads.
|
3.
It is safer to drive over (rather than to avoid) which of the following?
|
Paper and cloth sacks
|
|
|
Plastic containers
|
|
|
Cardboard boxes
|
|
|
None of the above.
|
4.
If you must drive slowly, how should you alert following drivers?
|
Help them out by signaling when it is safe to pass
|
|
|
Use your emergency flashers if it is legal
|
|
|
Turn on your taillights
|
|
|
Flash your brake lights
|
5.
Combination vehicles have __ air lines.
|
1
|
|
|
3
|
|
|
4
|
|
|
2
|
6.
Air brakes use ________ to make the brakes work.
|
compressed gas cylinders
|
|
|
compressed gases
|
|
|
compressed air
|
|
|
compressed oil
|
7.
When coupling double trailers, if the second trailer does not have spring brakes, to set the trailer emergency brakes you should:
|
1. Connect the emergency line 2. Charge the trailer air tank. 3. Drive the tractor close to the trailer 4. Disconnect the emergency line.
|
|
|
1. Connect the emergency line 2. Drive the tractor close to the trailer 3. Disconnect the emergency line 4. Charge the trailer air tank.
|
|
|
1. Disconnect the emergency line 2. Drive the tractor close to the trailer 3. Charge the trailer air tank 4. Connect the emergency line.
|
|
|
1. Drive the tractor close to the trailer 2. Connect the emergency line 3. Charge the trailer air tank 4. Disconnect the emergency line.
|
8.
As you approach off ramps and on ramps, remember:
|
to always brake and turn at the same time.
|
|
|
that the posted speed limit may not be safe for larger vehicles.
|
|
|
to maintain your highway speed.
|
|
|
that downgrades make it easier to reduce speed.
|
9.
An ABS system:
|
requires a change in the way you brake.
|
|
|
is a safety anti-skid braking system.
|
|
|
decreases your stopping distance.
|
|
|
helps increase a vehicle's stopping power.
|
10.
If your vehicle is equipped with air brakes, loss of air pressure in the emergency line will cause:
|
the vehicle to slide back and forth.
|
|
|
the springs to put on the brakes.
|
|
|
the trailer emergency brakes to come on.
|
|
|
the trailer supply valve to open.
|
Next page
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More
Rate This Free Test