GENERAL KNOWLEDGE CDL TEST SOUTH DAKOTA - PRACTICE TEST

21. If you are driving a 30 foot vehicle at 35 mph, you should leave at least _______ between your vehicle and the vehicle in front of you.
3 seconds
1 seconds
2 seconds
4 seconds
22. When using a fire extinguisher, you should:
Aim at the base of the fire.
Aim at the flames.
Keep as close to the fire as possible.
All of the above.
23. Which of the following statements about cargo weight is true?
It is always safe to operate at legal maximum weights.
The shipper loads the cargo, and the driver is not responsible for recognizing overloads and poorly balanced weight.
States have maximums for GVWRs, GCWRs and axle weights. You must keep weights within legal limits.
All of the above.
24. If you must stop on a one-way or divided highway, place your warning devices:
10 feet, 50 feet, and 150 feet toward the approaching traffic.
10 feet, 100 feet, and 200 feet toward the approaching traffic.
100 feet, 200 feet, and 300 feet toward the approaching traffic.
50 feet, 100 feet, and 150 feet toward the approaching traffic.
25. The emergency equipment must include:
3 red reflective triangles.
Charged and rated fire extinguisher.
Electrical fuses.
All of the above.
26. Vehicle inspections:
are required once a month.
should only be performed by a certified mechanic.
are required by state and federal law.
are not required for trips under 50 miles.
27. You are driving a 30-foot vehicle at 35 mph. You should allow at least ______ of following distance between your vehicle and the vehicle in front of you.
2 seconds
6 seconds
3 seconds
4 seconds
28. When looking ahead of your vehicle while you are driving, you should:
look as far as your peripheral vision can see.
look to the left side of the road.
look to the right side of the road.
shift your attention back and forth, near and far.
29. Which of the following should be checked for looseness, sticking, damage, or improper setting?
Steering wheel
Clutch
Accelerator
All of the above.
30. When backing, it is best to:
use a helper whenever possible.
use only the passenger's side mirror.
try to back in the direction of the drift.
back toward the passenger's side when possible.
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