Electricity for Refrigeration, Heating, and Air Conditioning (10th Edition)

Chapter 9

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A starter circuit is used to start some of the ... more

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In the potential relay, the back electromotive ... more

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In a current relay, the amount of current flowing ... more

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A current relay and potential differ by their ... more

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Normally open ; The current relays make normally ... more

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The back electromotive force (EMF) generated by ... more

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By default, the contacts of potential relays are ... more

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At 50% of the speed, the starting winding is not ... more

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While the single-phase motor is starting, the ... more

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Initially, while the single-phase motor is in ... more

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Terminals 1 and 2 in case of the potential relay ... more

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The mentioned level of voltage is not the ... more

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The mentioned voltage range is not the correct ... more

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The 128-212-1167AB model potential relay is not ... more

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The 3ARR3-C4B2 model potential relay is not ... more

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Ball bearing and sleeve bearings. ; In order to ... more

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Due to low friction, the ball bearing is more ... more

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Compared to other bearings, the cost of sleeve ... more

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The method where the motor directly drives the ... more

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The direct-drive motor is mechanically linked to ... more

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V-belts are cost-effective. ; The rotatory motion ... more

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A declination of . ; To maintain the proper ... more

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A starting relay is employed to connect the ... more

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For changing a permanent split capacitor type ... more

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A potential relay and a starting capacitor. ; In ... more

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Packed lubrication, grease fitting, and permanent ... more

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Overlubricating of ball bearings is undesirable as... more

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Yarn-packed lubrication, oil ring lubrication, and... more

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V-belts are available in dimensions of , , and . V... more

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The diameter of the compressor pulley is the ... more

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The diameter of the fan is the product of ... more

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In sealed hermetic compressors. ; In order to ... more

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A positive temperature coefficient (PTC) relay is ... more

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Availability in a wide range of horsepower. ; The ... more

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