A twelve pole 480v 60hz synchronous motor has a reactance
A twelve pole, 480V, 60Hz synchronous motor has a reactance of 5 ohm. The field current is adjusted so that the equivalent field voltage Ef is 520V (line-to-line). Calculate the following: (a) Maximum torque. (b) Power factor at the maximum torque.
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Two semiconductor materials have exactly the same properties except that material A gives photoluminescence at 1240nm and material B at 1033nm. Determine the ratio of ni for material A to that of material B for T=300K.
WalMart's Annual sales 2013 468,651, 2012 446,509; Cost of goods sold 2013 352,297, 2012 334,993 So not sure if I have this right.
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The molar heat capacity of is described by the following equation over the range 300 < < 1700 : In this equation, is the absolute temperature in kelvin. The ratios ensure that has the correct dimension. 1.30 moles of is heated from 23.0 to 1
A twelve pole, 480V, 60Hz synchronous motor has a reactance of 5 ohm. The field current is adjusted so that the equivalent field voltage Ef is 520V (line-to-line). Calculate the following: (a) Maximum torque. (b) Power factor at the maximum torque
Why is it that reducing the number of moves, delays, and storages in a manufacturing process is a good thing? Can they be completely eliminated?
Five seconds later, the police officer leaves on her motorcycle, starts her stopwatch, and accelerates at 2 m/s^2 toward the car. According to her stopwatch, how many seconds until she catches the car
Devise a system that will convert this temperature range into an 8-bit digital word with conversion from 00H to 01H at 200°C and from FEH to FFH at 350°C . An ADC is available with a 2.500-V internal reference. At 200°C a type K TC pro
Provide a definition of a stakeholder. Give some examples of stakeholders generically or use the organization for whom you work (or within which you study. Pretend you're a manager). Place these stakeholders into categories that a manager might
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In the TED Talk "The Urgency of Intersectionality," Kimberle Crenshaw explains how people experience overlapping forms of discrimination based on race
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