CDL GENERAL KNOWLEDGE TEST (AK) - PRACTICE TEST

41. Class A:B:C fire extinguishers are designed to work on:
electrical fires.
burning liquids.
All of the above.
42. Older trailers do not have spring brakes. If the air supply leaks away:
the ABS won't work properly.
there will be no emergency brakes.
the trailer will stop normally.
43. To correct a drive-wheel braking skid, you should stop braking and:
countersteer.
accelerate slightly.
keep your foot off the clutch.
44. What three things add up to total stopping distance?
Reaction distance + braking distance
Perception distance, reaction distance and braking distance
Braking distance + stopping distance
45. If the drive wheels begin to spin, you should:
apply your brakes all the way.
accelerate smoothly and change gears as necessary.
take your foot off the accelerator.
46. Your driver license doesn't have the hazardous materials endorsement. You can drive a vehicle that carries hazardous materials if:
you are transporting hazardous materials for less than 50 miles.
one of your passengers has the hazardous materials endorsement.
the vehicle does not require placards.
47. To prevent fire, during the en route inspection you should check the tires, wheels, and truck body for signs of:
ice.
heat.
front-wheel skids.
48. Use your four-way emergency flashers:
when parked at the side of the road.
to warn drivers behind you that people are working on the road.
All of the above.
49. Which of the following is NOT TRUE?
In many states, spill protection for covered cargo is a requirement.
You should regularly inspect the contents of sealed loads.
You should cover cargo to protect it from the weather.
50. Before loading or unloading any flammable liquids, you should:
start the engine.
turn off the engine.
turn on the headlights.
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