DISTRICT OF COLUMBIA CDL PRACTICE TEST - GENERAL KNOWLEDGE

41. The total weight of a single vehicle including its load is called:
Gross Vehicle Rating (GVR)
Gross Vehicle Weight Rating (GVWR)
Gross Vehicle Weight (GVW)
Gross Combination Weight (GCW)
42. Fully loaded trucks require greater stopping distances than empty vehicles. True or False?
True, but only if the truck was built after 1998.
True, but only on wet surfaces.
True.
False.
43. Move-over laws require drivers approaching a stopped emergency vehicle:
slow and move to a lane not next to the stopped vehicle.
drive on the shoulder whenever possible.
stop and call for help.
increase their speed.
44. After starting the engine the coolant temperature should:
rise quickly.
slowly decrease.
hold steady.
rise gradually.
45. If you are feeling drowsy behind the wheel, the only safe cure is to:
drink energy drinks.
open your windows, allowing fresh air inside your vehicle.
drink a cup of coffee.
pull off the road and get some sleep.
46. Which of the following is not a reason for covering cargo?
To prevent other drivers from looking at the cargo
To protect the cargo from weather
To protect people from spilled cargo
All of the above.
47. To avoid blinding other drivers, you should dim within ____ of an oncoming vehicle.
100 feet
1000 feet
250 feet
500 feet
48. Transporting livestock requires special attention. Why?
Because livestock can lean on curves.
Because livestock can move around in a trailer.
Because a rollover is more likely.
All of the above.
49. Which of the following is a common cause of fire?
Improperly sealed cargo.
Short circuits due to loose connections.
Under-inflated tires and duals that touch.
All of the above.
50. Before each trip, you must make sure:
the truck is overloaded.
your cargo obscures your view to the sides.
the cargo has a high center of gravity.
the cargo is balanced and secured.
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