FLORIDA CDL PRACTICE TEST - GENERAL KNOWLEDGE

31. The posted speed limit:
should only be exceeded when passing other vehicles.
is only a suggestion.
should never be exceeded.
may only be exceeded when driving in rural areas.
32. The use of brakes on a steep downgrade is:
much more effective than the engine braking effect.
a supplement to the braking effect of the engine.
the main braking factor.
dangerous, and should be avoided at all costs.
33. When you discover a fire, if the trailer doors are hot you should not open them because:
with air many fires do less damage.
the temperature of the trailer should not be changed in any way.
you should use the fire extinguisher on the door.
opening the doors lets air in and may make the fire flare up.
34. Hydroplaning is most likely to occur:
right after it starts to rain.
when it's been raining for over an hour.
at speeds below 30 mph.
right before it starts to rain.
35. Which of the following is considered a serious traffic violation?
Excessive speeding (15 mph or more above the posted limit)
Reckless driving
Following a vehicle too closely
All of the above
36. ___ of sleep or less triples your risk of falling asleep at the wheel.
10 hours
6 hours
3 hours
4 hours
37. Which of these can cause your vehicle to skid?
Braking any harder than necessary on slippery roads
Over acceleration
Over steering
All of the above.
38. Truck tractors with air brakes built after March 1, 1997, are required to be equipped with:
anti-lock brakes.
hydraulic brakes.
GPS
a rear backup camera.
39. When driving a 50 foot vehicle at 50 mph, how much space should you keep in front of you?
4 seconds
6 seconds
5 seconds
3 seconds
40. If confronted by an aggressive driver, you should:
ignore gestures
make gestures.
try to stay in front of them.
react to gestures.
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