Which of the following is not the type of refrigerant?
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When refrigerants take a direct part in the refrigeration system, then these types of refrigerants are called?
The refrigerants which are first cooled by _________ refrigerants and then used for cooling purposes are known as ___________ refrigerants.
What is the number of halo-carbon compound refrigerants present as per ASHRAE?
What does azeotrope mean?
Which one of the following inorganic refrigerants is often used?
What is the refrigerant number of water?
What is the number of halo-carbon compound refrigerants commonly used as per ASHRAE?
Which of the following refrigerants are in the Freon group?
Hydro-carbon refrigerants are commonly used nowadays.
Why is the cascade system used?
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