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 50, Problem 26RQ
During low ambient conditions, the space cooling bycooler provides
A. operating the system compressors.
B. pumping water to the tube-in-tube heat exchanger.
C. pumping water to a cooling coil located in the airstream.
D. de-energizing the blower in the air distribution system.
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Chapter 50 Solutions
Refrigeration and Air Conditioning Technology (MindTap Course List)
Ch. 50 - Which of the following is true regarding the...Ch. 50 - Which process would best represent the opposite of...Ch. 50 - Mixed air is best described as the combination of...Ch. 50 - Which of the following should be taken into...Ch. 50 - A bonded roof is one that has A. reinforced steel...Ch. 50 - Properly installed roof curbs will reduce the...Ch. 50 - When rigging a unit to the roof, what minimum...Ch. 50 - What is the acceptable method for communicating...Ch. 50 - Prob. 9RQCh. 50 - Prob. 10RQ
Ch. 50 - The most efficient way to establish the best...Ch. 50 - Free-cooling can be accomplished if the
A....Ch. 50 - Prob. 13RQCh. 50 - Prob. 14RQCh. 50 - Explain why the outside air damper is typically...Ch. 50 - Briefly explain the purpose of ASHRAE Standard 62.Ch. 50 - Explain the concept of demand control ventilation.Ch. 50 - Explain how carbon dioxide levels can be used to...Ch. 50 - Describe the blowers used on VAV systems.Ch. 50 - A cooling-only VAV box has all of the following...Ch. 50 - Which of the following is true regarding a reheat...Ch. 50 - Variable refrigerant flow systems sense the...Ch. 50 - The acronym PID stands for ______, _____, and...Ch. 50 - Explain the main benefit of a heat-recovery VRF...Ch. 50 - The pump on a dry cooler can direct water to...Ch. 50 - During low ambient conditions, the space cooling...
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- The cooling water flow through the condenser should be rather fast as fast as possible from the lower inlet to the upper outlet from the upper inlet to the lower outlet in either direction and velocity as long as there are no leaksarrow_forwardWhy do all open cooling towers not have side stream filtration?arrow_forwardThe pump on a dry cooler can direct water to either the tube-in-tube heat exchanger or the cooling coil with the aid of a A. two-way valve. B. three-way valve. C. four-way valve. D. five-way valve.arrow_forward
- Why is a circulating brine system more attractive for ship refrigeration than individual evaporators?arrow_forwardName two ways in which the heat from an air-cooled condenser can be used for reclaiming heat.arrow_forwardIf a forced-draft evaporator fan motor is wired in parallel with the compressor, when will it run?arrow_forward
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