SOUTH CAROLINA CDL PRACTICE TEST - GENERAL KNOWLEDGE
21.
When driving in very hot weather, you may have to:
|
decrease your following distance.
|
|
|
increase your speed until the tires cool off.
|
|
|
reduce your speed to prevent overheating.
|
|
|
watch out for black ice.
|
22.
You should check air pressure and temperature gauges:
|
every time you stop.
|
|
|
as often as is practical.
|
|
|
at the end of each trip.
|
|
|
at the beginning of each trip.
|
23.
Tar in the road pavement:
|
increases the ability to maintain traction on a vehicle.
|
|
|
frequently rises to the surface in very hot weather.
|
|
|
can slow down your vehicle.
|
|
|
does not affect the road surface.
|
24.
If a load is 10 feet long, the minimum number of tie-downs required is:
|
3
|
|
|
2
|
|
|
4
|
|
|
1
|
25.
Effects of distracted driving include:
|
delayed decision making.
|
|
|
slowed perception.
|
|
|
failure to perceive an important traffic event.
|
|
|
All of the above.
|
26.
When you are involved in an accident and not seriously hurt, you need to:
|
protect the area and notify authorities.
|
|
|
care for the injured.
|
|
|
collect required information and report the accident.
|
|
|
All of the above.
|
27.
Wheel rims that have had welding repairs:
|
should be placed in the front.
|
|
|
are safe.
|
|
|
should not be used.
|
|
|
None of the above.
|
28.
Warnings on low bridges or underpasses:
|
must be posted.
|
|
|
are always posted.
|
|
|
are often posted, but sometimes they are not.
|
|
|
None of the above.
|
29.
In cool weather, as the temperature rises to the point where ice begins to melt:
|
it is safe to drive.
|
|
|
black will makes the road look wet.
|
|
|
traction will increase.
|
|
|
the road will become more slippery.
|
30.
To correct a drive-wheel braking skid, you should stop braking and:
|
keep your foot off the clutch.
|
|
|
countersteer.
|
|
|
pull of the road.
|
|
|
accelerate slightly.
|
Next page
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More