CDL PRACTICE TEST (VA) - GENERAL KNOWLEDGE TEST

21. Your total stopping distance consists of __________ plus reaction distance plus braking distance.
perception distance
following distance
passing distance
22. Vehicle inspections:
are important because vehicle defects found during an inspection could save you problems later.
should only be done when a vehicle defect is found.
should not be done by the shipper.
23. You should downshift:
before entering a curve and before starting down a hill.
before starting up a hill and while going around a curve.
after starting down a hill and after entering a curve.
24. Hanging meat in a refrigerated truck:
can be a very unstable load.
will not affect safe driving ability.
should never be transported.
25. On a tractor-trailer equipped with a trailer brake hand valve, the hand valve can be used to:
keep from rolling back.
hold compressed air.
prevent movement of cargo.
26. To recognize when it's time to shift up to a higher gear, use:
engine speed (rpm) and road signs.
engine speed (rpm) and road speed (mph).
engine sounds and road signs.
27. How can you determine your following distance?
When the vehicle ahead of you passes a stationary object such as a sign along the road, use the stopwatch on your smartphone to determine how long it takes you to reach that same object.
Pass a stationary object and count how many seconds it takes the vehicle ahead of you to reach that same object.
When the vehicle ahead of you passes a stationary object on the side of road, start counting the seconds it takes you to reach that same object.
28. The posted speed limit:
should only be exceeded when passing other vehicles.
may only be exceeded when driving in rural areas.
should never be exceeded.
29. The height of a vehicle's center of gravity is important for safe handling. Why?
Trucks with a high center of gravity can roll over at the posted speed limit for a curve.
Trucks with a high center of gravity have better traction.
A high center of gravity means you are less likely to tip over.
30. How can you tell if your vehicle is equipped with ABS?
Trailers will have yellow ABS malfunction lamps on the left side.
Look for yellow ABS malfunction lamps on the instrument panel.
All of the above.
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