CDL GENERAL KNOWLEDGE TEST (PA) - PRACTICE TEST

31. The vehicle inspection report:
ensures that vehicle inspections are conducted regularly.
ensures that when the driver gets behind the wheel, the mechanic is responsible for the safe operation of the vehicle.
tells the shipper how to package the materials.
tells the motor carrier about problems that may need fixing.
32. To prevent fire, you should:
inspect the electrical, fuel, and exhaust systems.
inspect tires and cargo.
check that the fire extinguisher is charged.
All of the above.
33. Skids happen whenever:
dual tires come in contact with each other.
the weight limit is exceeded.
ABS is not working.
tires lose their grip on the road.
34. When driving a 60-foot truck at 50 mph, your minimum following distance should be:
3 seconds
7 seconds
6 seconds
5 seconds
35. Which of the following is NOT a common cause of vehicle fires?
Headlights out of adjustment
Broken fuel pipe
Flammable cargo
Under-inflated tires
36. The tractor protection valve:
keeps air in the brake system should the trailer develop a bad leak.
keeps your wheels from locking up when you brake hard.
keeps air from going out if the air compressor develops a leak.
prevents the trailer from being accidentally released.
37. If you have a manual transmission, when stopping don't _______ until the engine rpm is down close to idle.
apply the brakes
shift to second gear
place the transmission in park
push the clutch in
38. For safety during a trip, you should:
shift into a lower gear.
use your senses to check for problems.
drive on the shoulder of the road.
pull off the road and stop.
39. You must have at least ________ tread depth in every major groove on front tires.
1/2 inch
4/32 inch
2/32 inch
1/16 inch
40. Escape ramps are:
used by vehicles exiting the expressway.
reserved for combination vehicles.
reserved for vehicles carrying dangerous goods.
used to stop runaway vehicles safely.
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