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T7 HVAC ASE set 2 Questions and Answers
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T7 HVAC ASE set 2 Questions and Answers Technician A says a thermometer and pressure gauge are necessary to check a refrigerant container for non-condensable gases(air). Technician B says excessive non-condensable gases(air) in the container may be vented to the atmosphere. Who is right? - Ans:-...

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  • October 23, 2024
  • 3
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • t7 hvac ase set 2 questions and answers

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  • ASE
  • ASE

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GraceAmelia

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©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED

FIRST PUBLISH OCTOBER 2024




T7 HVAC ASE set 2 Questions and Answers


Technician A says a thermometer and pressure gauge are necessary to check a refrigerant container for

non-condensable gases(air). Technician B says excessive non-condensable gases(air) in the container may

be vented to the atmosphere. Who is right? - Ans:✔✔-Technician A is correct because a check for the

presence of non-condensable gases is performed by storing the container at 65*F or above for 12 hours

out of direct sunlight


With the A/C running at the 'MAX' setting, a thermometer reading the temperature coming from the

vent nearest the evaporator core swings from 32*F to 42*F. Technician A says this is normal and that the

temperature swings coincide with the cycling of the compressor. Technician B says that the cycling

indicated ice is forming and melting on the evaporator core. Who is right? - Ans:✔✔-Technician A


The compressor makes a rattling noise when it is operating. Technician A says the problem could be a

slipping belt. Technician B says the problem could be a defective compressor shaft bearing. Who is right?

- Ans:✔✔-Both technicians


An electric cooling fan fails to engage. Technician A says that the problem could be a defective coolant

temperature switch. Technician B says that the thermostat may be stuck open. Who is right? - Ans:✔✔-

Both technicians




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