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 29, Problem 8RQ
What is the evaporator coil-to-air relationship when compressor is not running?
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Students have asked these similar questions
Could you pump refrigerant into the receiver if the compressor valve leaks?
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…
Evaporative condenser is used only air as condensing medium to
condense the hot vapour refrigerant.
True
O False
Chapter 29 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 29 - What is the first thing a technician should know...Ch. 29 - What is the coil-to-air temperature relationship...Ch. 29 - When food dehydration is not a factor, the...Ch. 29 - Prob. 4RQCh. 29 - Why is minimum dehydration not used on every job?Ch. 29 - What is the coil-to-air temperature relationship...Ch. 29 - At what evaporator temperature does an ice maker...Ch. 29 - What is the evaporator coil-to-air relationship...Ch. 29 - What is meant by the term approach when dealing...Ch. 29 - How can an evaporator be tested for efficiency?
Ch. 29 - How can a condenser be tested for efficiency?Ch. 29 - How can a hermetic compressor be tested for...Ch. 29 - A T XV system responds to an overcharge of...Ch. 29 - An automatic expansion valve system responds to an...Ch. 29 - A capillary tube system responds to an overcharge...Ch. 29 - Prob. 16RQCh. 29 - Prob. 17RQCh. 29 - Capillary tube
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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
- Which of the following is true regarding the refrigerantpiping on a rooftop package unit?A. The discharge and liquid lines must be field installed.B. The suction and liquid lines must be field installed.C. The discharge and suction lines must be field installed.D. No refrigerant lines are field installed.arrow_forwardThe evaporator changes the low pressure liquid refrigerant from the expansion valve into O a. None of these O b. Low pressure vapor refrigerant Oc High pressure liquid refrigerant O d. Low pressure liquid and vapor refrigerantarrow_forwardWhich type of compressor uses V-belt to create compression in the compressorarrow_forward
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