CDL PRACTICE TEST - GENERAL KNOWLEDGE (SOUTH DAKOTA)
31.
When a tire fails, you must:
|
hold the steering wheel firmly.
|
|
|
stay off the brake.
|
|
|
get out and check all the tires after you have come to a stop.
|
|
|
All of the above.
|
32.
If your vehicle gets stuck on a railroad track, you should:
|
stay in the vehicle and call for help.
|
|
|
try to re-start the vehicle.
|
|
|
stay in the vehicle and call your dispatcher or supervisor for instructions.
|
|
|
get out of the vehicle and walk as far away from the tracks as possible.
|
33.
The best way to know what's going on behind and to the sides of your vehicle is to:
|
ask your passenger(s).
|
|
|
lean out of the window.
|
|
|
use the rear view camera.
|
|
|
check your mirrors regularly.
|
34.
Which of the following is a common cause of truck fires?
|
loose fuel connections.
|
|
|
Short circuits due to loose connections.
|
|
|
Under-inflated tires and duals that touch.
|
|
|
All of the above.
|
35.
Empty trucks:
|
have less traction.
|
|
|
are higher than loaded trucks.
|
|
|
require greater stopping distances.
|
|
|
All of the above.
|
36.
Which of the following statements about using turn signals is true?
|
To keep others from trying to pass you, you should signal just before you turn.
|
|
|
To turn safely you must keep one hand on the wheel.
|
|
|
You should use your turn signals when your vehicle is parked at the side of the road.
|
|
|
None of the above.
|
37.
When checking tires, which of the following is not a problem?
|
Radial and bias-ply tires used together
|
|
|
4/32 inch tread depth on front tires
|
|
|
Too much air pressure
|
|
|
Cracked valve stems
|
38.
When driving in heavy traffic, the safest speed is:
|
the posted speed limit.
|
|
|
slightly higher than the speed of other traffic.
|
|
|
the speed of traffic.
|
|
|
slower than the speed of other traffic.
|
39.
With low beams, drivers can see ahead about:
|
100 feet
|
|
|
15 feet
|
|
|
150 feet
|
|
|
250 feet
|
40.
To correct a drive-wheel skid, you should NOT:
|
Push in the clutch.
|
|
|
Steer into the skid.
|
|
|
Countersteer.
|
|
|
Stop braking.
|
Next page
NOT SURE YOU WILL PASS? GET CDL PREMIUM NOW! - Learn More