TN CDL GENERAL KNOWLEDGE TEST - CDL PRACTICE TEST

31. Federal, state, and local regulations for commercial vehicles:
vary from place to place.
only apply to US residents.
do not apply to CMV's operated in intrastate commerce.
only apply to CMV's operated in interstate commerce.
32. You hear a loud "bang" which sounds like a tire blowout. You should:
keep driving as normal.
assume you have a tire failure.
inspect your tires with your mirrors.
check the tires at the next stop.
33. When drivers make a turn they should:
look in the opposite direction of the turn.
look in the direction they are going to turn.
look far ahead.
look behind the vehicle.
34. If you triple the speed from 20 to 60 mph the impact and braking distance is:
12 times greater.
9 times greater.
3 times greater.
6 times greater.
35. Activities inside the vehicle that can distract your attention include:
talking to passengers.
picking up something that fell.
adjusting the radio.
All of the above.
36. Which of the following statements about cargo weight is true?
It is always safe to operate at legal maximum weights.
The shipper loads the cargo, and the driver is not responsible for recognizing overloads and poorly balanced weight.
States have maximums for GVWRs, GCWRs and axle weights. You must keep weights within legal limits.
All of the above.
37. If you cannot see well enough while driving in cold weather, you should:
turn your defroster on and slow down until you can see again.
reduce your speed and make sure the windshield washer works.
keep driving and check that the wiper blades press against the window hard enough to wipe the windshield clean.
stop safely and fix the problem.
38. You should be aware that many car drivers closely follow large vehicles especially:
in the city.
in bad weather.
when crossing a bridge.
on the highway.
39. To test the parking brake:
step on and off the brake pedal to reduce air pressure.
gently try to pull forward with the parking brake on.
turn off the engine.
check that all shut-off valves are in the open position.
40. What is the minimum tread depth for front tires?
4/32 inch
3/8 inch
1/2 inch
1/32 inch
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