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ASE Brakes T4 Practice Test #1 Practice Questions and Answers $12.49   Add to cart

Exam (elaborations)

ASE Brakes T4 Practice Test #1 Practice Questions and Answers

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  • ASE

ASE Brakes T4 Practice Test #1 Practice Questions and Answers Which of the following could cause the brakes on a truck to wear too fast? A. Glazed Drums B. Wrong linings installed C. Low air pressure in the service tanks D. Governor cut-out pressure too high - Ans:-Answer A is incorrect. Glaz...

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  • October 23, 2024
  • 34
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • ASE
  • ASE
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GraceAmelia
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FIRST PUBLISH OCTOBER 2024




ASE Brakes T4 Practice Test #1 Practice
Questions and Answers

Which of the following could cause the brakes on a truck to wear too fast?


A. Glazed Drums


B. Wrong linings installed


C. Low air pressure in the service tanks


D. Governor cut-out pressure too high - Ans:✔✔-Answer A is incorrect. Glazed drum linings are hard and

do not wear. They also do not stop the truck.


Answer B is correct. The wrong lining for the application may be the problem.


Answer C is incorrect. Low air pressure in the tanks would not cause brake wear. It may cause a low

amount of reserve air in case of multiple brake applications.


Answer D is incorrect. High governor cut=out pressure may cause the safety valve to open, but would

not cause the brakes to wear too fast.


Which of the following could case one brake on a truck to wear faster than the others?


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A. Mismatched service brake chambers


B. Mismatched parking brake chambers


C. Low air pressure in the service tanks


D. Governor cut-out pressure too low - Ans:✔✔-Answer A is correct. Mismatched brake service

chambers would apply unequal brake application pressure from side to side, which would cause one

brake to wear faster.


Answer B is incorrect. Mismatched parking brake chambers would not cause brake wear. It would

possibly allow the brake to roll when parked, because one side could have insufficient parking brake

application.


Answer C is incorrect. Low air pressure in the tanks would not cause brake wear. It may cause a low

amount of reserve air in case of multiple brake applications


Answer D is incorrect. Low governor cut-out pressure may cause an inadequate amount of air in reserve

but would not cause the brake to wear too fast.


There is an audible air leak from under the dash when the foot valve is applied. Technician A says the

double-check valve may be faulty. Technician B says the single-check valve may be


faulty. Who is correct? - Ans:✔✔-A. A only


B. B only

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FIRST PUBLISH OCTOBER 2024




C. Both A and B


D. Neither A nor B


Answer A is correct. A leaking double check valve could allow air to flow to the foot valve and out the

open exhaust


Answer B is incorrect. Single check valves are used to protect the tanks. They do not cause an air leak

when the brakes are applied.


Answer C is incorrect. Technician B is incorrect.


Answer D is incorrect. Technician A is correct.


On a straight truck equipped with air brakes, the secondary tank pressure gauge falls to zero when she

wet air tank is drained. Technician A says the one-way check valve may be faulty.


Technician B says the foor valve may be faulty. Who is correct?


A. A only


B. B only


C. Both A and B


D. Neither A nor B - Ans:✔✔-Answer A is correct. The one way check valve should protect the secondary

tank. The check valve is leaking.


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FIRST PUBLISH OCTOBER 2024




Answer B is incorrect. The foot valve does not separate the wet and secondary tanks.


Answer C is incorrect. Technician B is incorrect.


Answer D is incorrect. Technician A is correct.


Which of the following could set an antilock braking system (ABS) wheel speed sensor code:


A. Faulty modulator hold solenoid


B. Faulty modulator release solenoid


C. Incorrect wheel bearing adjustment


D. Incorrect brake adjustment - Ans:✔✔-Answer A is incorrect. A faulty solenoid would not cause a

wheel speed sensor code. It could cause a modulator valve code.


Answer B is incorrect. A faulty solenoid would not cause a wheel speed sensor code. It could cause a

modulator valve code


Answer C is correct. A loose wheel bearing adjustment can cause a faulty wheel speed sensor and a

wheel speed sensor code.


Answer D is incorrect. An incorrect brake adjustment may cause a dragging brake but would not cause a

wheel speed sensor code




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