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Guide for Driving License Test Class 4 Newfoundland and Labrador

Quiz Driving License Test Class 4 Newfoundland and Labrador

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Quiz

1/10
Air Brake
What is a "glad hand"?
Select the answer
1 correct answer
A.
A work glove
B.
The crank for the trailer landing gear
C.
An emergency supply line
D.
A coupling device

Quiz

2/10
Air Brake
If your vehicle is equipped with automatic slack adjusters, why must you fully apply the service brakes regularly?
Select the answer
1 correct answer
A.
To prevent a clevis from seizing over time
B.
To get a better feel for how these brakes respond
C.
To keep the slack adjusters properly adjusted
D.
To prevent the slack adjusters from corroding

Quiz

3/10
Air Brake
Where is the air pressure gauge for the service tanks?
Select the answer
1 correct answer
A.
Beside the air compressor
B.
Beside the supply tank
C.
On the dashboard
D.
On each service tank

Quiz

4/10
Air Brake
If the relay emergency valve has applied the trailer brakes in an emergency, what must be done to move the trailer?
Select the answer
1 correct answer
A.
The manual supply valve must be shifted to the 'normal' position
B.
The system must be charged to release the trailer brakes
C.
The foot valve must be depressed
D.
The vehicle must be physically moved first

Quiz

5/10
Air Brake
What is the determining factor for the amount of heat the brake drums can absorb?
Select the answer
1 correct answer
A.
The speed of the vehicle
B.
The thickness of the metal
C.
The type of brake fluid used
D.
The size of the brake pads

Quiz

6/10
Air Brake
A tractor-trailer with one trailer will fail the air-loss rate test if the loss rate exceeds
Select the answer
1 correct answer
A.
4 psi.
B.
6 psi.
C.
2 psi.
D.
3 psi.

Quiz

7/10
Air Brake
What does the stoplight switch do?
Select the answer
1 correct answer
A.
Changes traffic lights from red to green.
B.
Activates the vehicle's rear brake lights during braking.
C.
Changes traffic lights from green to red.
D.
Turns on the vehicle's front lights.

Quiz

8/10
Air Brake
What does the blue button on some air brake systems apply?
Select the answer
1 correct answer
A.
The hydraulic brakes
B.
The emergency brakes
C.
Only the tractor spring parking brakes and not the trailer spring parking brakes
D.
The service brakes

Quiz

9/10
Air Brake
Air compressors can either be driven by the engine belt and pulleys or
Select the answer
1 correct answer
A.
mounted on the front axle.
B.
mounted on the differential.
C.
inbuilt with the engine block and driven by gears.
D.
in none of the above locations.

Quiz

10/10
Air Brake
When inspecting the air brake chambers, what should you look for?
Select the answer
1 correct answer
A.
Mismatched slack adjuster effective lengths
B.
Cracks
C.
Non-manufactured holes
D.
All of the above
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Info quiz:

  • Quiz name:Driving License Test Class 4 Newfoundland and Labrador
  • Total number of questions:433
  • Number of questions for the test:50
  • Pass score:70%
  • Number of topics:1 Topics
Study topics:Number of questions:
  • Air Brake:433 Questions

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