CDL GENERAL KNOWLEDGE TEST (WV) - PRACTICE TEST

21. When using your turn signals, you should:
turn the signal off before you turn.
signal only if vehicles are in front of you.
signal only if vehicles are behind you.
signal well before you turn.
22. When driving on wet roads, you should:
reduce speed by 60%.
pull of the road and get some rest.
reduce speed by about one-third.
follow the vehicle ahead more closely than under ideal driving conditions.
23. The most important reason you inspect your vehicle is:
Hygiene.
to avoid insurance premium hikes.
Safety.
because Federal and state laws require that drivers inspect their vehicles.
24. When driving on packed snow, you should reduce speed by:
one-third.
25%.
a half.
10%.
25. Escape ramps:
cannot be used by certain types of heavy vehicles.
are designed to stop runaway vehicles safely.
should not be used unless you have already tried all other possible ways to save your vehicle after brake failure.
All of the above.
26. Drivers should adjust their mirrors:
while driving.
before driving.
after driving.
None of the above.
27. What is Gross Vehicle Weight (GVW)?
A vehicle's maximum weight rating, specified by its manufacturer.
The total weight of a single vehicle including its cargo.
The total weight of a vehicle, including that of any trailers.
None of the above.
28. When crossing or entering traffic with a heavy vehicle:
you may need a much larger gap to enter traffic than you would in a car.
you should allow more room if your vehicle is not loaded.
you can count on other drivers to move out of your way so you can safely enter the flow of traffic.
None of the above.
29. When driving in very hot weather you should inspect your tires regularly. Why?
Air pressure increases with temperature.
Hydroplaning is more likely if tire pressure is low.
The minimum tread depth may vary.
All of the above.
30. If you have convex mirrors, be aware that:
objects seem closer than they really are.
everything appears smaller in a convex mirror than it would if you were looking at it directly.
objects may appear to be faster than they really are.
in a convex mirror objects appears larger than they really are.
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