CDL PRACTICE TEST (KY) - GENERAL KNOWLEDGE TEST

11. With an engine fire, you should:
not shoot foam from the vehicle’s underside.
open the hood as soon as possible.
turn the engine off as soon as possible.
All of the above.
12. Traction is:
friction between the front and rear tires.
the maximum safe weight a tire can carry at a specified pressure.
the distance your vehicle will travel while you are braking.
friction between the tires and the road.
13. Which of the following statements is true?
Poor cargo ventilation is a common cause of fire.
Carrying a properly charged and rated fire extinguisher will help prevent fires.
Under-inflated tires will NOT cause a vehicle fire.
There is no way that short circuits due to damaged insulation can cause a vehicle fire.
14. Which of the following statements about backing heavy vehicles is true?
You should avoid backing whenever you can.
The helper should stand where you cannot see the helper.
Back to the right side so that you can see better.
Always back as quickly as possible.
15. The height of the vehicle's center of gravity:
should only be a concern when driving in high winds.
should only be a concern when loading a vehicle.
should only be a concern when driving a vehicle.
is very important for safe handling.
16. Why should you back toward the driver's side?
You can see better.
Backing toward the right side is dangerous.
You can watch the rear of your vehicle by looking out the side window.
All of the above.
17. When a vehicle is hydroplaning:
the spray from large trucks reduces visibility.
your brakes won't work.
the tires lose their contact with the road.
the clutch is stuck.
18. To maintain alertness while driving, you should:
rely on caffeine.
keep the cab warm.
take periodic breaks – about every 250 miles.
protect yourself from glare with sunglasses.
19. If your vehicle is hydroplaning, you should:
accelerate to get through the water as quickly as possible.
use the brakes to slow down.
release the accelerator and push in the clutch.
None of the above.
20. Interstate commerce means trade, traffic, or transportation in the U.S. that is between:
Two places in the state as part of trade, traffic, or transportation originating or terminating outside the state or U.S.
Two places in the state through another state or a place outside of the U.S.
A place in a state and a place outside such state or outside the U.S.
All of the above.
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