CDL PRACTICE TEST (MO) - GENERAL KNOWLEDGE TEST

41. Drivers can hold a Commercial Driver’s License from how many different States?
Four
Three
One
42. 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.
43. Before each trip, you must make sure the truck is not overloaded and the cargo is balanced and secured properly. Hard steering can be caused by:
under loaded front axles.
too little weight on the driving axles.
too much weight on the steering axles.
44. When you park your vehicle and turn off the engine:
apply the parking brake.
move the gear shift to first gear, if possible.
activate your right turn signal.
45. To avoid distractions while driving, you should:
use your phone only when there is no traffic around you.
adjust vehicle controls and mirrors prior to driving.
smoke, eat, and drink only when the road is straight.
46. 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)
47. If you experience a tire failure, do NOT:
stay off the brake (unless you're about to run into something).
apply the brakes as hard as you can.
hold the steering wheel firmly.
48. The earliest way to recognize that your trailer has started to skid is:
by checking the jackknife sensor.
by releasing the brakes.
by checking your mirrors.
49. When should you turn the retarder off?
when the road is slippery.
when your vehicle has a high center of gravity.
when the cargo is heavy.
50. To prevent rollover, you should:
go slowly around turns.
keep the cargo as close to the ground as possible.
All of the above.
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