Application of DC motors is generally restricted to a few load speed applications because of _____.

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how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?

0 Answers   Schneider,

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what is the difference between ac and dc?

1 Answers  

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what is kvarh? Please difine it With calculation

3 Answers   GM General Motors,

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WHAT IS DIFFRENCES DCS & PLC

1 Answers   Essar,

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how to select energy meter? have any calculation?

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If we have to find the inductance of a dc shunt motor then by giving dc supply or ac supply and what is the reason for it. (this example is from "to determine the transfer function of a dc shunt motor ")

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What do you mean by turns ratio of instrument transformer?

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how to identify the direction flow of electrons in a conductor? if i want to check the sequence in kv lines, is any device is available?

3 Answers  

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hi frnds...pls send me aptransco previous papers .....pls..pls,,,(madhar.rocking@gmail.com)and suggest me some websites

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why when i start my diesel generator it takes 1 minute or less then stop, and i checked the oil sensor is ok and when the generator start i can get 220 voltage but it it is stop after 1 minute or less, how can i solve this problem?

1 Answers  

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while starting a liquid starter ,is there any volage drop on water/soda on tank.can we touch the tank on starting?

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