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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Basic Thermodynamic Processes

The word 'thermodynamics' can be divided into two words, 'thermo' and 'dynamics'. The word thermo deals with the heat and thermal phenomenon, whereas dynamics deals with forces or external agent that drives the heat flow or aids in the motion of heat.

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Textbook Question

Chapter 5, Problem 8RQ

A vacuum pump is used to
A. remove contaminants from a refrigeration system.
B. vacuum dust before installing the refrigeration system compressor.
C. vacuum the area before using an air-acetylene unit.
D. prepare an area for taking a temperature reading.

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Chapter 5, Problem 7RQ

Chapter 5, Problem 9RQ

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Chapter 5 Solutions

Refrigeration and Air Conditioning Technology (MindTap Course List)

Ch. 5 - _________and _________are two types of screwdriver...Ch. 5 - Five different types of wrenches are_____,_____,...Ch. 5 - Give an examples of a use for a nut driver.Ch. 5 - List four different types of pliers.Ch. 5 - Describe two types of benders for soft tubing.Ch. 5 - A wiring and crimping tool is used to A. crimp...Ch. 5 - A flaring tool is used to A. cut copper tubing. B....Ch. 5 - A vacuum pump is used to A. remove contaminants...Ch. 5 - Two types of refrigerant leak detectors are...Ch. 5 - List the components usually associated with a...

Ch. 5 - List three types of thermometers.Ch. 5 - For what type of soldering is a soldering gun...Ch. 5 - An air-acetylene unit is used for _______ and...Ch. 5 - Prob. 14RQ Ch. 5 - When are air velocity measuring instruments used?Ch. 5 - Describe the purpose of CO2 and O2 indicators.Ch. 5 - What is the purpose of a draft gauge?Ch. 5 - Prob. 18RQ Ch. 5 - Why would a technician use an electronic charging...Ch. 5 - Why is it necessary to recover refrigerant?

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A vacuum pump is used to A. remove contaminants from a refrigeration system. B. vacuum dust before installing the refrigeration system compressor. C. vacuum the area before using an air-acetylene unit. D. prepare an area for taking a temperature reading.

Solution Summary: The author explains that a vacuum pump can be used to remove the contaminants from an Air conditioning and refrigeration system.

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Chapter 5 Solutions