CDL General Knowledge 51 - 75

Which of the following is a sign of a tire failure?

• The steering wheel pulls to one side

• Vibration

• A loud "bang"

• All of the above

If one-fourth of a multileaf spring is missing,

which of the following is most likely to happen?

• It will cause a

  pop-pop-pop sound

• It will put the vehicle out of service

• It will make it hard to steer

• It will have no effect

Which of the following emergency equipment

should be carried in the truck at all times?

• a fully charged 5

  B:C fire extinguisher

• reflective warning triangles or flares

• spare electrical fuses

  (if the truck has fuses)

• All of the above

You are driving on a rainy day and the drive wheels begin to spin.

To keep control of the vehicle, which of the following is the

best action to take?

• Brake hard

• Take your foot off the accelerator

• Steer to the left or right

• Accelarate slightly

To extinguish an electrical fire, _______

• pull into a service station and wait for qualified firefighters to arrive

• Use the B:C extinguisher on the base of the fire

• Use the A:B:C

  extinguisher on the

  flames of the fire

• use a lot of water

What is the correct placement of warning devices

when parked on the shoulder of a one-way or divided highway?

• At 10 feet, 100 feet, and 200 feet from the front of the vehicle

• At 100 feet and 500 feet from the front of the vehicle

• At 100 feet and 500 feet from the rear of the vehicle

• At 10 feet, 100 feet, and 200 feet from the rear of the vehicle

What is the total stopping time when driving

a heavy vehicle on dry pavement at 55 mph?

• 4 1/2 seconds

• 6 seconds

• 5 seconds

• 7 1/2 seconds

To go down a long, steep hill you should_________

• apply your brakes hard

• shift to a low gear after starting down the grade

• shift to a high gear before starting down the grade

• shift to a low gear before starting down the grade

Which of the following is the best way to slow

the vehicle when driving down a hill?

• shift to a higher gear

• downshift before the hill and keep light, continuous pressure on the brakes

• apply heavy pressure on the brakes from time to time

• shift gears to neutral

A broken coolant hose while driving______

• causes the

  airconditioner to fail

• can cause a fire

• increases the chances of tire failure

• causes the heater to fail