PLZ EXPLAIN THE INTERLOCKING AND CONTROLLING OF CONTACTORS????HOW CAN I DO THAT?

2 Answers   Siemens, UPL,

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How are harmonics produced in AC machines?

4 Answers  

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What is a diode?

0 Answers  

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Why an ac systems are preferred over dc systems?

0 Answers  

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describe the constructional features of an auto transformer and its principle operation

0 Answers  

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wht is an AVO metre. and whre it is used?

1 Answers   Mayflower,

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can we make a electric generator,which can not use any type of fuel,air,solar,gas,thermal,coal,petrol,etc and able to produce electrical energy (or self electricity generating generator)

0 Answers   NTPC,

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What will be the excat cable specification in Sq MM...please find the details below.... Induction Motor HP:55 Amps:70(starting Amps),45(Running Amps). Volts:415

1 Answers  

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why one pin of plug pin is longer than other two? In some mobile chargers one pin is made not conducting .Why?

4 Answers  

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Explain the laying procedure and laying depth of submarine/subsea power cable for 220/400KV system? Also available cable diameter?

0 Answers   ABB,

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How would you relate your key competencies to this position?

0 Answers  

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IN dc capacitive reactance is??

0 Answers  

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