AHR-110 Exam 3 Study Guide Questions and Correct Detailed Answers (Verified Answers) ||Already Graded A+||Newest Version

AHR-110 Exam 3 Study Guide Questions and Correct
Detailed Answers (Verified Answers) ||Already
Graded A+||Newest Version
Quiz: The most common type of system leaks are __________ leaks.

Ans: Standing



Quiz: A(n) ____________ leak detector requires a lubricant-specific dye be

injected into a charged system to find the leak.

Ans: Ultraviolet



Quiz: Removing air and/or other noncondensable gases from a system using a

vacuum pump is called ___________.

Ans: Degassing



Quiz: The process of removing both noncondensable gases and water vapor

is called ________.

Ans: Evacuation




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, Quiz: Sludge and other solids can be removed from a system by using

__________.

Ans: liquid- and suction-line filter/driers



Quiz: Atmospheric pressure, 0 psig, is the equivalent of about __________

microns.

Ans: 760,000



Quiz: (T/F): The process of a solid changing to a vapor without passing

through the liquid state is called dehydration.

Ans: False



Quiz: (T/F): A system with Schrader valve gauge ports will take longer to

evacuate than a system with service valves.

Ans: True



Quiz: A ¼ inch service hose will only allow a vacuum pump to pull at _____

CFM, regardless of the pump's CFM rating.


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, Ans: 0.8



Quiz: The mechanical strain of motion, rotation, and refrigerant flow are all

associated with _________ leaks.

Ans: Vibration-Dependent



Quiz: The low-pressure side of the system must not be pressurized to more

than_________ when testing for leaks.

Ans: The low-side design pressure



Quiz: Standing, pressure-dependent, temperature-dependent, vibration-

dependent, combination-dependent, and micro are all types of

Ans: Leak Methods



Quiz: The _____________ is both the greatest asset and the greatest

liability of an electronic leak detector.

Ans: Sensitivity




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