LOUISIANA CDL PRACTICE TEST - GENERAL KNOWLEDGE

21. Empty trucks require greater stopping distances. True or False?
False.
False, but only for trucks built on or after March 1, 1998.
True, but only on wet surfaces.
True.
22. Why should you be in the proper gear before starting down a hill?
it will help you go faster when you reach the bottom of the hill.
gravity can cause the speed of your vehicle to increase.
changing gears on a hill is illegal.
it will help the vehicle be more stable while turning.
23. Rust around wheel nuts may mean:
the nuts are loose.
the weather is wet.
the nuts are too tight.
the wheels or rims have had welding repairs.
24. When a tire fails, do NOT:
stay off the brake until the vehicle has slowed down.
brake, unless you're about to run into something.
keep a firm grip on the steering wheel.
None of the above.
25. Which of the following is a common cause of truck fires?
loose fuel connections.
Short circuits due to loose connections.
Under-inflated tires and duals that touch.
All of the above.
26. When you park, you should try to park:
so you'll be able to pull forward when you leave.
so there is enough room to back out.
on the shoulder of the road.
None of the above.
27. In ideal conditions, if you are driving at 55 mph your vehicle will travel a minimum of _______ until you can bring it to a complete stop.
419 feet
At least 350 feet
250 feet
209 feet
28. When driving a 50 foot vehicle at 50 mph, how much space should you keep in front of you?
5 seconds
4 seconds
6 seconds
3 seconds
29. You should NOT use the parking brakes if:
the brakes are too dry.
the brakes are cold.
the brakes are very hot.
All of the above.
30. Containerized loads:
should exceed gross weight and axle weight limits.
are generally used for freight carried part way by rail or ship.
must be inspected before and after the trip.
All of the above.
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