NCCER Module 5 Introduction to cooling Questions and Correct Answers

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NCCER Module 5 Introduction to
cooling Questions and Correct Answers

Question: The Celsius scale is based on boiling water having a
temperature at sea level of_?
Answer: 100°


Question: Subcooling occurs_.
Answer: After all vapor has changed to liquid


Question: When the temperature of a vapor is higher than its boiling
point, the vapor is_?
Answer: Superheated


Question: When heat is carried from one object to another by means of
a moving liquid or gas, it is being transferred by_?
Answer: Convection


Question: A ton of refrigeration is equal to_?
Answer: 12,000 BTUs per hour


Question: When the pressure on a liquid in a closed space is increased,
what happens to the boiling point?
Answer: It raises the boiling point


Question: In a refrigeration system, the high-pressure, high
temperature vapor is converted into a high pressure, high temperature
liquid by the_?
Answer: Condenser




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