Question

Technician A says a refrigerant identifier is only needed when the technician is unsure of the...

Technician A says a refrigerant identifier is only needed when the technician is unsure of the refrigerant used in an AC system. Technician B says some refrigerant identifiers can measure the amount of moisture in the refrigerant system to aid in diagnosis. Who is​ correct?

Technician B

Both Technicians A and B

Technician A

Neither Technicians A nor B

Engineering   Mechanical-Engineering   
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Homework Answers

Answer #1

Solution: The correct option is;

C) Technician A

Explanation:

HVAC/R identifiers are enabled fast, accurate testing of refrigerants R12, R134a, R22, hydrocarbons, and air, and indicate the presence of R410. However, they can not predict the amount of moisture present in the system. Therefore Technician A was right and technician B was wrong. So the correct option is C. To know more about the refrigerant identifiers, check out the references provided.

References:

Design and Implementation of Refrigerant Identifier, WU Yong-zhong;TANG Zheng;School of Computer and Information,Hefei University of Technology;

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