CDL GENERAL KNOWLEDGE TEST (NC) - PRACTICE TEST

31. Glad hands are:
warning devices.
securement devices.
electronic devices.
coupling devices.
32. When should you inspect your vehicle and cargo?
Before and after a trip.
Before, during and after a trip.
During and after a trip.
Before and during a trip.
33. Fully loaded trucks require greater stopping distances than empty vehicles. True or False?
False.
True.
True, but only if the truck was built after 1998.
True, but only on wet surfaces.
34. Whenever you back up with a trailer, position your vehicle so you can back in a straight line. If you must back on a curved path, back toward:
Either side.
the right side.
the driver's side.
Neither side (do not back).
35. When approaching a traffic light that has been green for a long time, you should:
maintain your current speed.
speed up to get through the light.
start slowing down and be ready to stop.
None of the above.
36. Which of these should make you reject a vehicle until it is rectified?
Tires from different manufacturers
Tires of different sizes
Tires with different tread patterns
All of the above.
37. Railroad crossings with steep approaches:
can cause your unit to hang up on the tracks.
require drivers to increase their speed before crossing the tracks.
require drivers to shift gears while crossing the tracks.
are the safest type of railroad crossing.
38. In a dual air brake system, if one air system is very low on pressure:
you should drive and brake as you always have.
the effect won't be noticeable for the first 50 miles.
you should pump the brakes to restore pressure.
either the front or rear brakes will not be operating fully.
39. ABS helps you:
drive faster.
brake harder.
stop faster.
None of the above.
40. Which of the following is NOT a type of retarder?
Anti-lock
Electric
Hydraulic
Engine
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