PA CDL GENERAL KNOWLEDGE TEST - CDL PRACTICE TEST

31. For safety during a trip, you should:
check critical items when you stop.
use your senses to check for problems.
watch gauges for signs of trouble.
All of the above.
32. If you triple the speed from 20 to 60 mph the impact and braking distance is:
6 times greater.
12 times greater.
3 times greater.
9 times greater.
33. When the temperature drops, which of the following surfaces will become icy first?
Bridges
Off-ramps
Curves
Underpasses
34. Placards are used to:
indicate the maximum speed that the vehicle can reach on a level road.
identify the hazard class of the cargo.
warn the public to stay at least 500 feet away from the vehicle.
indicate the maximum speed that the vehicle can travel.
35. If you are confronted by an aggressive driver, you should:
avoid eye contact.
remain calm and relaxed.
try to move away safely.
All of the above.
36. The air compressor governor:
controls when the air storage tanks will pump air into the air compressor.
stops the compressor from pumping air.
allows the compressor to start pumping air when the tank pressure rises to the "cut-out" pressure.
All of the above.
37. Which of the following is part of checking lights?
Getting out of the vehicle.
Turning on the headlights and four-way flashers.
Turning off the engine and taking the key with you.
All of the above.
38. Who is responsible for recognizing overloads and poorly balanced weight?
The loader
The shipper
The previous driver
The driver
39. To reduce the chance of rollover, you should:
put the lightest parts of the cargo under the heaviest parts.
place the cargo as high as possible inside the trailer.
distributed the cargo as low as possible inside the trailer.
None of the above.
40. During a pre-trip inspection, you discover a power steering leak. You should:
report the problem and make arrangements to use another vehicle.
report the problem after your trip and try to stay on schedule.
try to fix the problem while driving.
report the problem and start your trip, driving slower than normal.
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