CDL PRACTICE TEST - GENERAL KNOWLEDGE (SOUTH DAKOTA)

21. Stab braking:
should never be used.
involves applying the brakes as hard as you can without locking the wheels.
involves steady pressure on the brake pedal without locking the wheels.
involves applying the brakes all the way, and releasing them when wheels lock up.
22. If you are convicted of a traffic violation (except parking) in your personal vehicle:
you must make a written report.
you don't have to tell your employer.
your commercial driver license will not be affected.
you must tell your employer.
23. How far should you scan ahead when driving?
A quarter of a mile at highway speeds
12-15 seconds
One block at lower speeds
All of the above.
24. Overloading can have bad effects on all of the following except:
Braking
Steering
Exhaust system
Speed control
25. Drivers can hold a Commercial Driver’s License from how many different States?
One
Two
Three
Four
26. Stopping distance can be affected by:
Reaction Distance
Perception Distance
Speed
All of the above.
27. Emergency equipment is:
encouraged.
required.
only required when transporting hazardous materials.
optional.
28. What is Gross Vehicle Weight (GVW)?
A vehicle's maximum weight rating, specified by its manufacturer.
The total weight of a vehicle, including that of any trailers.
The total weight of a single vehicle including its cargo.
None of the above.
29. When a vehicle goes around a corner, the rear wheels:
will turn freely.
follow a different path than the front wheels.
will lock up.
follow the same path as the front wheels.
30. When the road is slippery, you should:
reduce your speed.
slightly increase your speed to reach the next stop.
apply the brakes, then let the wheels turn freely.
release the accelerator and push in the clutch.
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