WV CDL PRACTICE TEST - GENERAL KNOWLEDGE

21. If you must stop on a one-way or divided highway, place your warning devices:
50 feet, 100 feet, and 150 feet toward the approaching traffic.
100 feet, 200 feet, and 300 feet toward the approaching traffic.
10 feet, 50 feet, and 150 feet toward the approaching traffic.
10 feet, 100 feet, and 200 feet toward the approaching traffic.
22. Gross vehicle weight (GVW) is:
the total weight of the trailer or trailers.
the total weight of the vehicle axle.
the total weight of a single vehicle, except its load.
the total weight of a single vehicle including its load.
23. Water in the brakes can cause the brakes to:
overheat.
be weak or apply unevenly.
break.
fade.
24. Brakes out of adjustment can cause the other brakes to:
work better.
last longer.
apply more braking power.
overheat and fade.
25. To avoid rollbacks when you start, you should:
if you have manual transmission, partly engage the clutch before you take your right foot off the brake.
put on the parking brake whenever necessary.
release the parking brake only when you have applied enough engine power.
All of the above.
26. On engine start, you should:
check that the master cylinder is securely attached and not leaking.
check for minimum tread depth.
make sure the oil pressure gauge is working.
check the oil level.
27. When making a turn you should:
honk your horn.
signal early.
turn the signal off before entering the turn.
make gestures to get the attention of other drivers.
28. Vehicle inspections:
are required by state and federal law.
are not required for trips under 50 miles.
are required once a month.
should only be performed by a certified mechanic.
29. If driving a vehicle equipped with power steering, you should check:
check pumps.
hoses.
fluid level.
All of the above.
30. If your vehicle is hydroplaning, you should:
speed up.
put the vehicle in reverse.
stay off the brake.
apply the brakes.
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