Not Sure You Will Pass?
Get a Pass Guarantee
Get a Pass Guarantee
UPGRADE TO CDL PREMIUM
1.
Weight that is loaded so there is a high center of gravity:
|
makes a vehicle easier to handle.
|
|
|
reduces the chance that the load will shift to the side or fall off.
|
|
|
causes greater chance of rollover.
|
|
|
All of the above.
|
2.
What can cause poor traction?
|
Too little weight on the driving axles.
|
|
|
Overloading the truck.
|
|
|
Too much weight on the steering axle.
|
|
|
All of the above.
|
3.
Most heavy-duty vehicles use:
|
hydraulic brakes.
|
|
|
pressure brakes.
|
|
|
air brakes.
|
|
|
solid brakes.
|
4.
If you have convex mirrors, be aware that:
|
objects may appear to be faster than they really are.
|
|
|
everything appears smaller in a convex mirror than it would if you were looking at it directly.
|
|
|
in a convex mirror objects appears larger than they really are.
|
|
|
objects seem closer than they really are.
|
5.
If you get stuck on railroad tracks, you should:
|
stay in the vehicle and call for help.
|
|
|
have a helper push your vehicle.
|
|
|
get out of the vehicle and away from the tracks.
|
|
|
check the engine compartment quickly.
|
6.
To test the tractor-semitrailer connection for security:
|
pull out the air supply knob.
|
|
|
go under the trailer and look into the back of the fifth-wheel.
|
|
|
check that the trailer is locked onto the tractor by pulling the tractor gently forward while the trailer brakes are still locked.
|
|
|
plug the electrical cord into the trailer and fasten the safety catch.
|
7.
If a vehicle is equipped with ABS, when you start the engine:
|
the wheels will lock up.
|
|
|
the ABS indicator light on the dash should come on and then turn off.
|
|
|
the spring brakes will come on.
|
|
|
the trailer emergency brakes will come on.
|
8.
If your truck catches fire, the first thing you should do is to:
|
pull off the road and park in an open area.
|
|
|
pull into a service station and call for help.
|
|
|
get off the vehicle, open the hood and start shooting foam to keep the engine cool.
|
|
|
get the vehicle off the road and park near other vehicles.
|
9.
After supplying air to the trailer brake system, you should check the brake system for crossed air lines by:
|
shutting the engine off so you can hear the brakes.
|
|
|
applying and releasing the trailer brakes and listening for the sound of trailer brakes.
|
|
|
checking the air brake system pressure gauge for signs of major air loss.
|
|
|
All of the above.
|
10.
The iron trailer supports are up, and the full weight of the trailer is resting on the tractor. Make sure:
|
the safety latch is not engaged.
|
|
|
you are in a low enough gear.
|
|
|
there is enough clearance between the upper and lower fifth wheel.
|
|
|
there is enough clearance between the rear of the tractor frame and the landing gear.
|
Next page
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More