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 41, Problem 8RQ
When the outside ambient air temperature is 90°F, the temperature of the condensing refrigerant in a standard- efficiency unit should be approximately
A. 120°F.
B. 130°F.
C. 140°F.
D. 150°F.
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Chapter 41 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 41 - Before installing a gauge on the high-pressure...Ch. 41 - Capacitors should be shorted with a(n)...Ch. 41 - The high- and low-side pressures on an operating...Ch. 41 - Why do most air-conditioning systems not need a...Ch. 41 - A typical standard-efficiency evaporator under...Ch. 41 - The typical temperature difference between the...Ch. 41 - When the ambient outside air temperature isand the...Ch. 41 - When the outside ambient air temperature is 90F,...Ch. 41 - If a condensing pressure is 260 psig for R-22,...Ch. 41 - How is high efficiency accomplished in an...
Ch. 41 - True or False: When troubleshooting a small...Ch. 41 - The suction gas may have a high superheat if the...Ch. 41 - If the suction pressure is low and the suction...Ch. 41 - What electrical test instrument is used to measure...Ch. 41 - What electrical test instrument is used to measure...Ch. 41 - Most condensers will subcool the refrigerant to...Ch. 41 - What are two types of fixed-bore metering devices?Ch. 41 - It no crankcase heat is at the compressor, what...Ch. 41 - What is the purpose of the internal overload...Ch. 41 - If a condenser circuit breaker is tripped, you...
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- Where must a suction-line drier be placed in a heat pumpafter a motor burnout?arrow_forwardIn a domestic vapour compression refrigerator, the refrigerant commonly used is, (A) CO₂ (B) Ammonia (C) R-12 (D) All of thesearrow_forwardA 1-ton air conditioner is a unit that will remove the amount of heat neededto melt one ton of ice in 24 hours. A ton has 2,000 pounds in it.a. If 144 Btu of heat are needed to melt 1 pound of ice, how many Btus woulda 1-ton air conditioner remove in 24 hours?b. How many Btus would a 1-ton air conditioner remove in 1 hour?arrow_forward
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