VT CDL GENERAL KNOWLEDGE TEST - CDL PRACTICE TEST

21. If a vehicle is equipped with ABS, when you start the engine:
the ABS indicator light on the dash should come on and then turn off.
the wheels will lock up.
the spring brakes will come on.
22. If there is a fire in your vehicle, do NOT:
pull into a service station.
notify emergency services.
park in an open area.
23. To make an emergency using the stab braking method, you should:
apply your brakes all the way, release the brakes when the wheels lock up, and apply the brakes again as soon as the wheels start rolling.
fully apply the brakes until the wheels lock up, then stay off the brake until the vehicle has slowed down.
apply the brakes as hard as you can without locking the wheels.
24. When the temperature is below freezing, which of the following areas may be slippery?
Wet roads
Bridges
All of the above.
25. Most heavy-duty vehicles use:
dual air brake systems.
single air brake systems.
triple air brake systems.
26. When checking the condition of the steering system, you must:
grab the steering mechanism to test for looseness.
Visually inspect the steering mechanism.
Check the windshield wiper arms.
27. Longer combination vehicles have the tendency to swing wide on turns. This is called:
off-tracking.
hydroplaning.
jackknifing.
28. Which of the following statements about retarders is NOT correct?
Retarders help you avoid skids.
Retarders help slow a vehicle, reducing the need for using brakes.
You should turn the retarder off whenever the road is wet, icy, or snow covered.
29. In an emergency:
you should keep one hand on the steering wheel.
you should never turn to miss an obstacle.
stopping is not always the safest thing to do.
30. If you are confronted by an aggressive driver, you should:
remain calm and relaxed.
try to move away safely.
All of the above.
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