CDL GENERAL KNOWLEDGE TEST (SOUTH CAROLINA) - PRACTICE TEST
41.
The safety valve installed in the first tank the air compressor pumps air is set to open:
|
at 30 psi.
|
|
|
every 15 minutes.
|
|
|
if there is too little pressure.
|
|
|
if there is too much pressure.
|
42.
When backing your vehicle, it's not recommended to:
|
back as slow as possible.
|
|
|
back towards the right side.
|
|
|
use the lowest reverse gear.
|
|
|
back and turn towards the driver's side.
|
43.
Which of the following statements about driving in very hot weather is true?
|
If a tire is too hot to touch, keep driving to cool it off.
|
|
|
You should inspect the tires every 2 hours or every 100 miles.
|
|
|
As the temperature of the tire increases, the air pressure of a tire decreases.
|
|
|
None of the above.
|
44.
When checking the steering system for defects, you should look for:
|
loose, broken, or missing tailpipes.
|
|
|
bent, loose, or broken parts, such as tie rods.
|
|
|
cut or cracked valve stems.
|
|
|
missing or broken leaves in any leaf spring.
|
45.
_______ is the act of operating a motor vehicle in a selfish, bold, or pushy manner, without regard for the rights or safety of others.
|
Distracted driving
|
|
|
Aggressive driving
|
|
|
Road rage
|
|
|
Defensive driving
|
46.
Having ABS on only the trailer:
|
makes the trailer more likely to roll over.
|
|
|
makes the trailer more likely to swing out.
|
|
|
is very dangerous.
|
|
|
still gives you more control over your vehicle during braking.
|
47.
Eating while driving is:
|
a good way to prevent drowsiness and maintain alertness.
|
|
|
mandatory when driving alone.
|
|
|
a source of distraction.
|
|
|
a way to be more productive.
|
48.
On wet roads, you must drive slower to be able to stop in the same distance as on a dry road. Reduce speed by about _______ when driving on a wet road.
|
60 percent
|
|
|
one-third
|
|
|
70 percent
|
|
|
one-quarter
|
49.
To apply the parking brakes:
|
push the parking brake control knob in.
|
|
|
place the parking brake control knob in Neutral.
|
|
|
pull the parking brake control knob out.
|
|
|
push the brake pedal three times.
|
50.
ABS:
|
allows the wheels to lock up.
|
|
|
makes it easier to turn.
|
|
|
helps you avoid wheel lock up.
|
|
|
makes it easier to break.
|
GRADE ME
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More