CDL PRACTICE TEST - GENERAL KNOWLEDGE (NEW JERSEY)

41. Air pressure should build up in a single air system, within about:
10 minutes.
3 minutes.
15 minutes.
1 minute.
42. If you find anything unsafe during the pre-trip inspection, you are required to:
get it fixed before driving.
write it in your inspection report.
inform your motor carrier after the trip.
drive cautiously until it is fixed.
43. Which of the following is NOT true?
ABS will change the way you normally brake.
ABS only comes into play when a wheel would have locked up because of over braking.
ABS won't compensate for bad brakes.
ABS won't compensate for poor brake maintenance.
44. If your vehicle thumps or vibrates heavily, it may be a sign that:
you need to shift up.
the brakes have failed.
one of the tires has gone flat.
the engine belt is loose.
45. To prevent fire, during the en route inspection you should check the tires, wheels, and truck body for signs of:
heat.
front-wheel skids.
a fire extinguisher.
ice.
46. To calculate how much space you should keep in front of you:
add 4 seconds for each 10 feet of vehicle length at speeds below 40 mph.
count off the seconds from when the vehicle ahead of you passes some clear landmark to when you reach that same landmark.
count off the seconds until you pass a pavement marking, or some other clear landmark.
count off the seconds until you reach the vehicle ahead.
47. To avoid becoming distracted while driving, you should:
plan your route before you begin driving.
adjust all vehicle controls and mirrors prior to driving.
clear the vehicle of any unnecessary objects.
All of the above.
48. Air brakes:
should be used only when driving on wet roads.
are prohibited on larger vehicles.
can improve fuel efficiency.
are an effective way to stop large and heavy vehicles.
49. Strong winds can make it difficult to stay in your lane especially when driving:
lighter vehicles.
heavier vehicles.
vehicles with ABS.
flatbed trailers.
50. The Gross Combination Weight (GCW) is:
the total weight of a single vehicle including its load.
the weight of the vehicle, trailer, and cargo.
the weight of the vehicle and its trailer(s).
the weight of the trailer and cargo.
GRADE ME
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More