CDL COMBINATION PRACTICE TEST NEW MEXICO
11.
Empty trucks:
|
have better traction than fully-loaded trucks.
|
|
|
may have poor traction.
|
|
|
require shorter stopping distances than fully-loaded trucks.
|
12.
Which of the following is NOT TRUE? When you drive a tractor-trailer combination with ABS, you should:
|
brake the same way, regardless of whether you have ABS on the tractor, the trailer, or both.
|
|
|
monitor your tractor and trailer as you slow down, and if it is safe to do so, back off the brakes to stay in control.
|
|
|
drive slower to keep your vehicle in a straight line.
|
13.
The service line:
|
carries power steering fluid to control the trailer brakes.
|
|
|
carries air and is connected to relay valves which allow the trailer brakes to be applied more quickly.
|
|
|
carries air to the parking brake to control the trailer brakes.
|
14.
If you begin to feel drowsy while driving, you should:
|
get some coffee.
|
|
|
pull off the road and get some rest.
|
|
|
get an energy drink.
|
15.
If the fifth-wheel locking lever is not locked after the jaws close around the kingpin:
|
the parking brakes are on and the wheels are chocked.
|
|
|
the parking brakes are on and your vehicle is safe to drive.
|
|
|
the coupling is not right and you should not drive until you get it fixed.
|
16.
Which of the following will NOT help you prevent rollover?
|
Driving slowly around turns.
|
|
|
Using the controlled braking method.
|
|
|
Keeping the cargo as close to the ground as possible.
|
17.
Which of the following is NOT part of checking the sliding fifth-wheel?
|
Checking that all locking pins are present and locked in place
|
|
|
Checking that it is properly greased
|
|
|
Testing the tractor protection valve
|
18.
Tests have shown that trucks with a high center of gravity are more likely to tip over, therefore you should:
|
put the lightest parts of the cargo under the heaviest parts.
|
|
|
distribute the cargo as low as possible.
|
|
|
All of the above.
|
19.
You are inspecting your vehicle during a trip. What should you do?
|
Check critical items such as tires, brakes, and lights.
|
|
|
Use your senses to check for problems.
|
|
|
All of the above.
|
20.
If your cargo only fills one-third of the length of your trailer, make sure your cargo is:
|
to one side and as close to the ground as possible.
|
|
|
piled up high with heavy cargo on top.
|
|
|
centered and spread out as much as possible.
|
GRADE ME
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More