Which one of the following inorganic refrigerants is often used?
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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?
What is Cryogenics?
What is the principal advantage of the cascade system?
How is a cascade system structured?
Low-temperature cascade system use refrigerants with ______ boiling temperature and high temperature cascade system use refrigerants with _________ boiling temperature.
What does low boiling refrigerants ensure?
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