Refrigeration and Air Conditioning Technology (MindTap Course List)
8th Edition
ISBN: 9781305578296
Author: John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher: Cengage Learning
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Chapter 40, Problem 14RQ
The compressor amperage of a 3-ton system operating on 230 V is approximately -A.
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17) What is the approximate Peritectic Temperature for the system?
46. Question
The capacity of a Freon 12 refrigeration system with a direct expansion evaporator
installed is 8.50 tonnes of refrigeration. Assuming that the refrigeration system is
operating under standard conditions of -15°C evaporation & 30"C condensation
the power to drive the compressor is 0.922 kw per tonne of refrigeration with a
system efficiency of 85%. Determine the compressor displacement.
10. Name two things in the design of a reciprocating com
pressor that control the efficiency of the compressor.
A.
В.
Chapter 40 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 40 - The standard design conditions for...Ch. 40 - The typical temperature relationship between a...Ch. 40 - The evaporator will normally operate at a(n)...Ch. 40 - A typical temperature relationship between a...Ch. 40 - How is condenser high efficiency obtained?Ch. 40 - High-efficiency air-conditioning systems may use...Ch. 40 - What does the head pressure do If the suction...Ch. 40 - What will cause the suction pressure to rise?Ch. 40 - The evaporator design temperature may in some...Ch. 40 - The seasonal energy efficiency ratio (SEER)...
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