CDL PRACTICE TEST - GENERAL KNOWLEDGE (LOUISIANA)

31. You should carefully check for traffic:
As you approach an intersection.
When driving through an intersection.
When approaching a curve.
All of the above.
32. The air compressor is connected to:
the transmission.
the suspension system.
the engine.
the radiator.
33. _________ are used on many vehicles to provide extra gears.
Auxiliary transmissions and power steering cylinders
Retarders and multi-speed rear axles
None of the other answers is correct.
Multi-speed rear axles and auxiliary transmissions
34. The service brake system:
applies and releases the emergency brake.
applies and releases the brakes when you use the brake pedal during normal driving.
applies and releases the parking brakes.
None of the above.
35. When driving a double or triple, you should:
increase your following distance.
decrease your following distance.
drive in the left lane whenever possible.
drive with emergency flashers on.
36. If there is a sign indicating "Maximum Safe Speed", you should:
travel at the posted speed.
never exceed the speed shown.
consider it as a suggestion.
know that it doesn't apply to vehicles weighing more than 26,000 pounds.
37. Which of the following is NOT a type of retarder?
Anti-lock
Electric
Hydraulic
Engine
38. You must have at least ________ tread depth on tires other than front tires.
4/16 inch
4/32 inch
2/32 inch
8/32 inch
39. Backing is dangerous because:
you cannot see everything behind your vehicle.
you have to turn the steering wheel toward the direction you want to go.
you need to back toward the passenger driver side so you can see.
cargo may fall out.
40. If driving a new vehicle, you should familiarize yourself with the controls and equipment:
as you drive.
after pulling into a service station.
before you start driving.
within the first 50 miles.
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