RMO REVIEW TEST QUESTIONS
2025 |GUARANTEED ACCURATE
ANSWERS |VERIFIED
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 suitable for a methyl chloride system? - ACCURATE
ANSWERS✔✔ Copper
Which method can be used to determine if a pressure gauge is providing
an accurate reading? - ACCURATE ANSWERS✔✔ Open it to
atmosphere and confirm that is reading zero psi
, How is a system affected if an unloader leaks? - ACCURATE
ANSWERS✔✔ Compressor capacity will reduce
If the capillary line of a thermostatic expansion valve is ruptured, the
expansion valve will ___? - ACCURATE ANSWERS✔✔ Remain fully
closed
How many gallons of water are there in a container with a volume of
8085 cubic inches? - ACCURATE ANSWERS✔✔ 35
Which electrical component is needed to reduce a 120 volt power source
to 24 volts? - ACCURATE ANSWERS✔✔ Transformers
When chilled water is circulated as the cooling medium, the saturation
pressure of the evaporator can be used to estimate the ___? -
ACCURATE ANSWERS✔✔ Chilled water temperature being pumped
into the building being served
Purgers are most often used with systems that operate ___? -
ACCURATE ANSWERS✔✔ Below 14.7 psia
EXAMLINKS
STUDY SMART
2025 |GUARANTEED ACCURATE
ANSWERS |VERIFIED
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 suitable for a methyl chloride system? - ACCURATE
ANSWERS✔✔ Copper
Which method can be used to determine if a pressure gauge is providing
an accurate reading? - ACCURATE ANSWERS✔✔ Open it to
atmosphere and confirm that is reading zero psi
, How is a system affected if an unloader leaks? - ACCURATE
ANSWERS✔✔ Compressor capacity will reduce
If the capillary line of a thermostatic expansion valve is ruptured, the
expansion valve will ___? - ACCURATE ANSWERS✔✔ Remain fully
closed
How many gallons of water are there in a container with a volume of
8085 cubic inches? - ACCURATE ANSWERS✔✔ 35
Which electrical component is needed to reduce a 120 volt power source
to 24 volts? - ACCURATE ANSWERS✔✔ Transformers
When chilled water is circulated as the cooling medium, the saturation
pressure of the evaporator can be used to estimate the ___? -
ACCURATE ANSWERS✔✔ Chilled water temperature being pumped
into the building being served
Purgers are most often used with systems that operate ___? -
ACCURATE ANSWERS✔✔ Below 14.7 psia
EXAMLINKS
STUDY SMART
