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 23, Problem 18RQ
What are two main reasons why a compressor should have modulating capacity control?
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Chapter 23 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 23 - Describe the operation of a compressor.Ch. 23 - Name five types of compressors.Ch. 23 - True or FAlse: A compressor can compress a liquid.Ch. 23 - What would be considered a higher-than-normal...Ch. 23 - Which compressor type uses pistons to compress the...Ch. 23 - Which compressor type uses tapered, machined gear...Ch. 23 - Which style of compressor uses belts to turn the...Ch. 23 - What would be done to increase the compressor...Ch. 23 - Describe the reciprocating compressor piston, rod,...Ch. 23 - Name two things in the design of a reciprocating...
Ch. 23 - At what speeds in rpm does a hermetic compressor...Ch. 23 - What effect does a slight amount of liquid...Ch. 23 - What lubricates the refrigeration compressor? A....Ch. 23 - What can the service technician do to keep the...Ch. 23 - State the main advantage that a discus...Ch. 23 - Briefly describe how the scroll compressor...Ch. 23 - List four main advantages a scroll compressor has...Ch. 23 - What are two main reasons why a compressor should...Ch. 23 - Briefly describe how the digital capacity control...Ch. 23 - List the three main advantages of having digital...Ch. 23 - Prob. 21RQ
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- Explain how liquid floodback to the compressor may occur during an ice maker hot gas defrost period.arrow_forward8. What would be done to increase the compressor speed on a belt-driven compressor? A. Decrease drive pulley size B. Increase drive pulley size C. Increase driven pulley size 13. What lubricates the refrigeration compressor? A. Refrigerant B. Moisture C. Desiccants D. Oil D. Both A andC 9. Describe the reciprocating compressor piston, rod, crankshaft, valves, valve plate, head, shaft seal, internal motor overload device, pilot-duty motor overload de- vice, and coupling. 10. Name two things in the design of a reciprocating com- pressor that control the efficiency of the compressor. А. 14. What can the service technician do to keep the refrig- eration system operating at peak efficiency? 15. List the main advantage that a discus compressor's valve plate design has over a conventional piston-type В. 11. At what speeds in rpm does a hermetic compressor nor- mally turn? A. 1750 В. 3450 C. 4500 D. Both A and B 12. What effect does a slight amount of liquid refrigerant have on a compressor…arrow_forwardExplain in detail the working of chilled water fan coil unit after it receive water from district cooling.arrow_forward
- State the main advantage that a discus compressor's valve plate design has over a conventional piston-type compressor.arrow_forwardWhat is the evaporator coil-to-air relationship when compressor is not running?arrow_forwardDescribe how a centrifugal compressor starts up at part load and then goes to full load.arrow_forward
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