Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
10th Edition
ISBN: 9781337399128
Author: Russell E. Smith
Publisher: Cengage Learning
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Chapter 11, Problem 6RQ
True or False: A bimetal is a combination of two pieces of metal that are welded together, each with a different coefficient of expansion.
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Higher pairs are those which have
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Surface contact between elements
Point or line contact between elements
None of the mentioned
No contact between elements
Resistance-welding processes
make use of the heat generated
by electrical resistance to achieve
fusion of the two parts to be
joined; no pressure is used in
these processes, and no filler
:metal is added
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False
Iron heats up more rapidly than does aluminum because it has a greater specific heat.
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Chapter 11 Solutions
Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
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- Among the following materials, which one is non-metal а. Соpper O b. Alluminium O C. Steel O d. Interlockarrow_forwardmechanical resistancearrow_forwardThe maximum power is delivered to a circuit when source resistance is load resistance. O a. Less than O b. Greater than or equal to O c. Equal to O d. Greater thanarrow_forward
- What is the device that consists of two unlike metal strips that are attached and have a different rate of expansion and contraction? A. Thermistor B. Thermocouple C. Diaphragm D. Bimetalarrow_forwardWhen pressure increases, the temperature increases. Select one: True Falsearrow_forwardTrue/False Statement: A cable is a load bearing component that can only support tensile forces.arrow_forward
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Column buckling; Author: Amber Book;https://www.youtube.com/watch?v=AvvaCi_Nn94;License: Standard Youtube License