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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Cylindrical rods can also be treated as being infinitely long when finding temperatures near the bottom and the top of the cylinder.
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Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)
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- Which of the following is a device consisting of two unlike metals fastened at one end that, when heated on the fastened end, produces a DC current? A. Thermocouple B. Thermistor C. Diaphragm D. Bimetalarrow_forwardWhich of the following statement is incorrect? Select one: Building structure is an example of space frame. Tripod is an example of redundant frame. space structure is an example of space frame. Tripod is an example of Space frame.arrow_forwardFOR fixed support, the number of unknowns are ? O 2arrow_forward
- True/False Statement: A cable is a load bearing component that can only support tensile forces.arrow_forwardResistance-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 True Falsearrow_forwardThe type of hazard whereby sparks are generated electrically is called: Explosion contact fires strain.arrow_forward
- Earthing is not necessary for machines and metallic parts which are externally accessible is an electrical safety consideration while working in a workshop. Select one: True O Falsearrow_forwardDefine the following,Joint.Link.Joint space.Actuator space.arrow_forwardWhy wires are covered by rubber or plastic covering?arrow_forward
- Among the following materials, which one is non-metal а. Соpper O b. Alluminium O C. Steel O d. Interlockarrow_forwardQuestion 4: Where G = 8, F = 10, and H = 8arrow_forwardWhat 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_forward
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