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Universal R 410A Exam |Actual Questions And Verified Answers|Brand New Update|Graded A+

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Institution R 410a
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UNIVERSAL R 410a EXAM |ACTUAL QUESTIONS AND VERIFIED ANSWERS|BRAND NEW UPDATE|GRADED A+

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UNIVERSAL R 410a EXAM |ACTUAL QUESTIONS
AND VERIFIED ANSWERS|BRAND NEW 2026-2027
UPDATE|GRADED A+


Question 1

Polyolester (POE) oils stored in plastic containers will:



-Separate

-Become more alkaline

-Become acidic

-Absorb moisture through the plastic

CORRECT ANSWER

Absorb moisture through the plastic




Question 2

R-407C has:



-A foul odor

-To be charged in the vapor phase

-The ability to fractionate

-No temperature glide

CORRECT ANSWER

The ability to fractionate




Question 3


1

, A condensing unit designed for use with R-22:



-Must be replaced with a model designed for use with R-410A

-Cannot withstand the higher pressure of R-410A

-Both A and B

-None of the above

CORRECT ANSWER

Both A and B




Question 4

In a refrigeration system, oil and refrigerant:



-Contain alkybenzene

-Mix with each other

-Do not touch each other

-Are not miscible

CORRECT ANSWER

Mix with each other




Question 5

Removal of refrigerant from a system can be accomplished by these two basic methods:



-Condensation and evaporation

-Dew point and bubble point

-Superheating and subcooling



2

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