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

Exam (elaborations)

ASE Brakes T4 Practice Test #1 Questions and Answers

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  • ASE

ASE Brakes T4 Practice Test #1 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 - Answer-Answer A is incorrect. Glazed drum...

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  • October 15, 2024
  • 30
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • ASE
  • ASE
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EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024




ASE Brakes T4 Practice Test #1
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 - Answer✔✔-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?


A. Mismatched service brake chambers


B. Mismatched parking brake chambers



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,EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024


C. Low air pressure in the service tanks


D. Governor cut-out pressure too low - Answer✔✔-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? - Answer✔✔-A. A only


B. B only


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


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, EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER, 2024


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 - Answer✔✔-Answer A is correct. The one way check valve should protect

the secondary tank. The check valve is leaking.


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


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