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