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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Textbook Question
Chapter 22, Problem 14RQ
Briefly describe what is meant by floating head pressure, and tell why it is used in refrigeration and air-conditioning systems.
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Chapter 22 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 22 - Why do some condensers have to be cleaned with...Ch. 22 - The three materials of which condensers are...Ch. 22 - Who should be consulted when condenser cleaning is...Ch. 22 - When is the most heat removed from the refrigerant...Ch. 22 - After heat is absorbed into a condenser medium in...Ch. 22 - A water-cooling tower capacity is governed by what...Ch. 22 - When a standard-efficiency air-cooled condenser is...Ch. 22 - Four methods for controlling head pressure in an...Ch. 22 - The prevailing winds can affect which of the...Ch. 22 - True or False: Air-cooled condensers are much more...
Ch. 22 - The type of condenser that has the lowest...Ch. 22 - Compare the standard conditions of high-efficiency...Ch. 22 - Name two ways in which the heat from an air-cooled...Ch. 22 - Briefly describe what is meant by floating head...Ch. 22 - Explain how to flush impurities from a...Ch. 22 - Explain the basic operation of a combination ORI...Ch. 22 - Name two problems a refrigeration system may have...Ch. 22 - Briefly explain what is meant by condenser...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- Define temperature glide, and give examples of where it occurs in a refrigeration system.arrow_forwardDescribe cascade refrigeration and tell why more than one refrigerant is used.arrow_forwardThe approach temperature for the evaporator is A. the difference between the suction and head pressures converted to temperature. B. the difference between the refrigerant boiling temperature and the suction-line temperature. C. the difference between the refrigerant boiling temperature and the inlet water temperature. D. the difference between the refrigerant boiling temperature and the leaving-water temperature.arrow_forward
- With the help of a neat diagram, explain the working principle of a single acting and double acting air compressor.arrow_forwardWith suitable block-diagram, compare vapour-compression and vapour-absorption refrigeration systems.arrow_forwardThe approach temperature for the evaporator isA. the difference between the suction and head pressuresconverted to temperature.B. the difference between the refrigerant boiling temperatureand the suction-line temperature.C. the difference between the refrigerant boiling temperatureand the inlet water temperature.D. the difference between the refrigerant boiling temperatureand the leaving-water temperature.arrow_forward
- Y- The inlet pressure of a refrigerant compressor is called Discharge pressure Critical pressure O Back pressure O Suction pressurearrow_forwardDistinguish between following devices with its applications and examples: i.Compressor and Turbine ii.Evaporator and Condenserarrow_forwardIn all liquid refrigerant lines, the pressure at the bottom of a vertical rise isgreater than the pressure at the top of the rise. For R-134a, the pressure isabout 0.5144 lb/sq in or less for every vertical foot of pipe that is used. Thevertical rise between this condenser and evaporator is 7.5 feet. How muchless is the pressure at the top of the rise than at the bottom?arrow_forward
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