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 25, Problem 3RQ
The purpose of the crankcase pressure-regulating valve is to
A. maintain constant pressure in the crankcase.
B. maintain constant pressure in the evaporator.
C. prevent a compressor from going into a vacuum.
D. prevent a compressor overload condition.
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Chapter 25 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 25 - Which is not a basic component of the compression...Ch. 25 - Describe modulating fluid flow.Ch. 25 - The purpose of the crankcase pressure-regulating...Ch. 25 - Describe the function of an electric evaporator...Ch. 25 - Prob. 5RQCh. 25 - Briefly describe the function of a...Ch. 25 - Two types of relief valves are_______and ______.Ch. 25 - Why is low-ambient control necessary?Ch. 25 - Which is not a method of low-ambient control on...Ch. 25 - Low-pressure switch
Ch. 25 - High-pressure switchCh. 25 - Low-ambient(switch)Ch. 25 - Oil safety switchCh. 25 - What is the function of the current sensing relay...Ch. 25 - Why is there a time delay in an oil safety...Ch. 25 - What is off-cycle defrost?Ch. 25 - Two types of off-cycle defrost are______and...Ch. 25 - Two methods for accomplishing defrost on...Ch. 25 - Filter drierCh. 25 - Heat exchangerCh. 25 - Suction accumulatorCh. 25 - ReceiverCh. 25 - Prob. 23RQCh. 25 - Prob. 24RQCh. 25 - What will happen if the float in an oil separator...Ch. 25 - The function of the evaporator pressure regulator...Ch. 25 - What is the function of the oil return hole or...Ch. 25 - What is the function of the pressure equalization...
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