- Study guides, Class notes & Summaries

Identify the pressure corresponding to 32 degrees F for R-123: ________. a) 23 inches of Hg vacuum b) 20 inches of Hg vacuum c) 17 inches of Hg vacuum d) 11 inches of Hg vacuum - ANSWER b) 20 inches of Hg vacuum A hydrostatic tube test kit is used to: _________. a) blow all water from the tubes b) remove any water from the machine c) vent refrigerant d) determine if a tube leaks - ANSWER d) determine if a tube leaks Excessive running of a purge system on a low pressure chiller ...

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18 pages

Written in 2023/2024

Grade A+

shantelleG

The state of the refrigerant entering the metering device is: - ANSWER High pressure liquid The following components are metering devices: - ANSWER Evaporator pressure regulator, Thermostatic expansion valve The state of the refrigerant entering the compressor is: - ANSWER Low pressure vapor Before the recovery process can be initiated, a technician must know: - ANSWER The type of refrigerant in the system Checking the pressure of a recovery cylinder at a known temperature can determ...

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5 pages

Written in 2023/2024

Grade A+

shantelleG

what is the primary water source for a recovery unit condensing coil? - ANSWER local municipal water supply approximately how much refrigerant vapor is left in an average 350 ton R-11 chiller at 0 psig pressure once all the R-11 liquid has been removed? - ANSWER 100 lbs a rupture disc on a recovery vessel for low pressure refrigerant relieves at ____ - ANSWER 15 psig on a centrifugal system, the purge unit takes its suction from the ____ - ANSWER top of the condenser a centrifugal ch...

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3 pages

Written in 2023/2024

Grade A+

shantelleG

EPA 608 EXAMS - QUESTIONS AND ANSWERS - PACKAGE DEAL

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8 items

AccurateScores

EPA 608 Type III/96 QUESTIONS AND ANSWERS

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19 pages

Written in 2022/2023

Grade A+

AccurateScores

Identify the pressure corresponding to 32 degrees F for R-123: ________. a) 23 inches of Hg vacuum b) 20 inches of Hg vacuum c) 17 inches of Hg vacuum d) 11 inches of Hg vacuum - ANSWER b) 20 inches of Hg vacuum A hydrostatic tube test kit is used to: _________. a) blow all water from the tubes b) remove any water from the machine c) vent refrigerant d) determine if a tube leaks - ANSWER d) determine if a tube leak Excessive running of a purge system on a low-pressure chiller g...

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18 pages

Written in 2021/2022

Grade A+

LUCKYSTAR2022