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 8RQ
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
D. Both A and C
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8. 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…
Which one of the following is a component of the reciprocating compressor?
a. Casing
b. Nozzle
E Piston
d. Guide vane
Which type of compressor uses V-belt to create compression in the compressor
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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- Choose correct answer: An air compressor forms a _______________ A. isolated system B. combined open and isolated system C. closed system D. open systemarrow_forwardState the main advantage that a discus compressor's valve plate design has over a conventional piston-type compressor.arrow_forward6. Which of the following is a trait of stationary-blade 6. Which of the following is a trait of stationary-blado rotary compressors? A. The blade is mounted on the rotor. B. The blade is pulled into contact with the rotor by centrifugal force. C. The rotor is mounted on an eccentric shaft. D. All of the above.arrow_forward
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