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 26, Problem 22RQ
What special precautions should be taken with drainlines in walk-in coolers?
A. Freeze protection
B. Trapping to prevent air from being pulled in
C. Downward sloping
D. All of the above
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12) Which one of the following is an open water system?A: Cooling towerB: Air cooled chiller systemC: Sea water cooled chiller systemD: Direct expansion system
Why do all open cooling towers not have side stream filtration?
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Chapter 26 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 26 - The two broad categories of display cases are...Ch. 26 - How are conditions maintained in open display...Ch. 26 - What are mullion heaters?Ch. 26 - The three temperature ranges for refrigeration...Ch. 26 - The two methods for rejecting heat from...Ch. 26 - When the compressors are located in the equipment...Ch. 26 - When one large compressor is used, what desirable...Ch. 26 - Define a parallel compressor system and list five...Ch. 26 - Three disadvantages of parallel compressor systems...Ch. 26 - What is the difference between an even and an...
Ch. 26 - Exactly matching the refrigeration load with the...Ch. 26 - What is the function of the pressure transducer in...Ch. 26 - What is the function of the microprocessor-based...Ch. 26 - Explain how the oil separator, oil reservoir,...Ch. 26 - Large or small compressors on parallel compressor...Ch. 26 - A(n)_______varies the frequency of an...Ch. 26 - Prob. 17RQCh. 26 - Prob. 18RQCh. 26 - Three advantages of unitary, stand-alone...Ch. 26 - How is defrost accomplished when the equipment...Ch. 26 - True or False: The two types of defrosts used with...Ch. 26 - What special precautions should be taken with...Ch. 26 - Prob. 23RQCh. 26 - What special valve is used in a refrigerated air...Ch. 26 - Briefly explain what is meant by a surge-type...Ch. 26 - Briefly explain what is meant by a subcritical...Ch. 26 - Briefly explain what is meant by a transcritical...Ch. 26 - Prob. 28RQCh. 26 - Prob. 29RQCh. 26 - Prob. 30RQCh. 26 - Prob. 31RQCh. 26 - Prob. 32RQCh. 26 - Prob. 33RQ
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- What is the evaporator coil-to-air relationship when compressor is not running?arrow_forwardDescribe what happens when an absorption chiller is operated when the cooling tower water is too cold.arrow_forwardExplain how liquid floodback to the compressor may occur during an ice maker hot gas defrost period.arrow_forward
- Who should be consulted when condenser cleaning is needed?arrow_forwardWhat is the purpose of multiple passes in a chiller evaporator?arrow_forwardWhich of the following metering devices is used in low-pressure chillers? A. A low- or high-side float B. A capillary tube C. An automatic expansion valve D. A thermostatic expansion valvearrow_forward
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