DE CDL PRACTICE TEST - GENERAL KNOWLEDGE

21. When passing a parked vehicle, which of the following is the only thing you do NOT need to watch out for?
Lights coming on
Passenger door opening
Driver's door opening
Wheels starting to turn
22. Fatigue:
has little or no effect on driving.
increases the chance of an accident.
does not impair vision and judgment.
can easily be prevented by drinking coffee.
23. Commercial motor vehicles:
should have a properly charged and rated fire extinguisher and other emergency equipment.
are not required to have a fire extinguisher if they already have reflective warning triangles and other emergency equipment.
are only required to have a fire extinguisher when transporting hazardous materials.
None of the above.
24. To recognize when it's time to shift up to a higher gear, use:
engine speed (rpm) and road signs.
engine sounds and road signs.
engine speed (rpm) and road speed (mph).
road speed (mph) and engine oil temperature.
25. When transporting a load, the cargo should be inspected:
by your supervisor.
by a helper.
only after driving.
after every break you take during your trip.
26. When changing lanes, you should:
not use your mirrors.
do it quickly.
not use your turn signals.
None of the above.
27. Empty vans are:
the same height as fully loaded ones.
higher than fully loaded ones.
lower than fully loaded ones.
None of the above.
28. Which of the following is a key steering system part?
U-bolts
Tie rod
Anchor plate
Leaf spring
29. Which of the following will help a drinker sober up?
Time
Fresh air
Drinking coffee
All of the above.
30. When using a fire extinguisher on a fire, you should:
aim the extinguisher at the top of the fire.
stay as far away from the fire as possible.
get as close to the fire as possible.
All of the above.
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