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UNIT 11 REVIEW QUESTIONS ANSWER KEY GO BACK TO INDEX
11-1) List the different types of cooling mechanisms.
11-2) Which type of cooling mechanism is used in the most applications?
11-3) Briefly explain the fundamental principles that make the compression
refrigeration cycle work.
"Cold" is not a substance or an energy form, it is the lack of heat.
11-4) What does an air conditioner do with the heat in your house?
11-5) How does a compression cycle refrigeration system move heat from a
relatively cold temperature to a relatively warm temperature?
11-6) Explain why boiling is considered a cooling process.
11-7) List the four major components of the compression refrigeration cycle in
order.
11-8) Why do both the compression cycle and absorption cycle have a high
pressure side and a low pressure side?
11-9) What components are responsible for maintaining the high and low pressures
in a compression refrigeration system?
11-10) What are the three refrigerant conditions inside a compression cycle system?
11-11) What components are responsible for maintaining the high and low pressures
in an absorption refrigeration system?
11-12) What are the two cycles that make an absorption system work?
11-13) Explain how an evaporative cooling system works.
11-14) Where is evaporative cooling the most effective?
11-15) What is the advantage of the Maisotsenko Cycle?
11-16) What acts as the refrigerant in a thermoelectric refrigeration system?
11-17) What is the Pelletier effect?
11-18) Explain how a thermoelectric refrigeration system works.
11-19) What is the purpose of refrigeration?
