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Exam (elaborations)
RMO REVIEW TEST QUESTIONS 2025 |GUARANTEED ACCURATE ANSWERS |VERIFIED
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---8May 20252024/2025A+
- When making repairs to an R-22 system, prior to brazing, you should ___? - ACCURATE ANSWERS Ensure that the flame is enclosed and vented to the open air 
 
If the oil level in a refrigeration system is low, additional oil should be ___? - ACCURATE ANSWERS Pumped it into the compressor crankcase 
 
The device pictured below is a ___? - ACCURATE ANSWERS Purge unit 
 
What will make the strong liquor in an absorption system weaker? - ACCURATE ANSWERS Less load on the evaporator 
 
Which material is...
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Exam (elaborations)
Local 94 School - 475 terms to know for the RMO written Exam Questions With 100% Verified Answers
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---44October 20242024/2025A+
- ©SIRJOEL EXAM SOLUTIONS 
11/3/2024 10:54 PM 
Local 94 School - 475 terms to know for the 
RMO written Exam Questions With 100% 
Verified Answers 
How do automatic expansion valves work? - answerEvaporator pressure closes the valve and 
spring pressure opens the valve. 
When will a faulty check valve cause the most damage? - answerOn startup. 
What will happen if a TEV'S sensing bulb insulation wears off of the suction line in an 85 F 
Degree room? - answerYou will flood the evaporator. 
What...
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