Not Sure You Will Pass?
Get a Pass Guarantee
Get a Pass Guarantee
UPGRADE TO CDL PREMIUM
1.
Before driving a vehicle with a dual air system, allow time for the air compressor to build up a minimum of ____ pressure in both the primary and secondary systems.
|
100 psi
|
|
|
50 psi
|
|
|
75 psi
|
|
|
25 psi
|
2.
Which of the following is NOT correct? Anti-lock brakes:
|
require drivers to apply the brakes as hard as they can without locking the wheels.
|
|
|
help drivers avoid skids caused by over braking.
|
|
|
help drivers avoid wheel lock up.
|
|
|
give drivers more control over the vehicle during braking.
|
3.
Dual tires:
|
should not come in contact with each other.
|
|
|
are dangerous.
|
|
|
should always come in contact with each other.
|
|
|
should come in contact with each other whenever possible.
|
4.
Brake lag is:
|
the amount of air pressure required to stop the vehicle.
|
|
|
the distance your vehicle will continue to travel, in ideal conditions, before you hit the brakes.
|
|
|
the distance your vehicle will travel, in ideal conditions, while you are braking.
|
|
|
the time required for the air brakes to work after the brake pedal is pushed.
|
5.
If you are being tailgated, you should:
|
make quick changes.
|
|
|
open up room in front of you.
|
|
|
increase your speed very gradually.
|
|
|
turn on your taillights.
|
6.
For safe handling, the heaviest trailer should be:
|
behind the tractor.
|
|
|
the last trailer.
|
|
|
the second trailer in a triple.
|
|
|
None of the above.
|
7.
Dollies with ABS are required to have a malfunction lamp:
|
on the left side.
|
|
|
on the rear.
|
|
|
on the front.
|
|
|
on the right side.
|
8.
Which of the following statements is true?
|
There is no way that short circuits due to damaged insulation can cause a vehicle fire.
|
|
|
Under-inflated tires will NOT cause a vehicle fire.
|
|
|
Poor cargo ventilation is a common cause of fire.
|
|
|
Carrying a properly charged and rated fire extinguisher will help prevent fires.
|
9.
Empty trucks:
|
require the same stopping distance than full trucks.
|
|
|
require a greater stopping distance than full trucks.
|
|
|
require a shorter stopping distance than full trucks.
|
|
|
None of the above.
|
10.
When driving in heavy traffic, the safest speed is:
|
the same speed as the other vehicles.
|
|
|
faster than the other vehicles.
|
|
|
slower than the other vehicles.
|
|
|
half the speed of the other vehicles.
|
Next page
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More
Rate This Free Test