CDL PRACTICE TEST (SC) - GENERAL KNOWLEDGE TEST

31. When transporting cargo, cargo securement must be checked within the first _____ miles of a trip and every _____ miles after.
50; 250
50; 150
100; 150
150; 250
32. When using a fire extinguisher, you should stay:
as far away from the fire as possible.
at whatever distance you think is safe.
at least 10 feet away from the fire.
as close to the fire as possible, without getting burnt.
33. Most heavy duty vehicles use ___ air brake systems for safety.
triple
dual
single
reduced
34. The heavier the vehicle:
the more work the brakes must do to stop it.
the less work the brakes must do to stop it.
the higher the center of gravity will be.
None of the above.
35. When backing, it is important to use a helper whenever possible. Why?
Because you cannot see everything behind your vehicle.
Because it's required by law.
All the above.
To make sure you don't damage your truck.
36. If there is a fire and you are not sure what to use to put it out, you should:
use a fire extinguisher.
use water.
wait for firefighters.
use dry powder.
37. To prevent drowsiness before a trip, you should:
drive with a passenger.
schedule trips for the hours you are normally awake.
consult your physician if you suffer from daytime sleepiness.
All of the above.
38. "Tire load" means:
the specified weight a tire can carry at the maximum pressure.
the minimum weight a tire can carry at a specified pressure.
the maximum safe weight a tire can carry at a specified pressure.
the specified weight a tire can carry at the minimum pressure.
39. When inspecting your vehicle, before checking the engine compartment be sure that:
the fire extinguisher is properly charged and rated.
all tires are properly inflated.
all lights are working.
the parking brakes are on and/or wheels chocked.
40. Name two situations in which it may not be safe to operate your vehicle at legal maximum weights.
In heavy traffic or at night
Over bridges or through tunnels
During bad weather or in mountains
All of the above.
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