How relay works, reverse relay, master relay, os relay, earth fault relay and what is its setting point

0 Answers   cpgn,

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what is the difference between electrical choke and electronic choke?

0 Answers  

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- two pumps must work with them at the same time but if the first pump start the second pump  must delayed for some time to start  also , with motor rated power = 90 KW and rated voltage = 380 V and rated power factor = 0.85 lag please draw the power and control circuit for it and determine all circuit components parameters that you use it

0 Answers  

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whats the differece between Exd and Exe

0 Answers   IFFCO, TN,

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could i arrange a faulty and healthey battery bank togather in parallel , if your ans is not then why?

3 Answers  

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Explain what cmos is and its benefits?

0 Answers  

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as we see that in our country the power rating for transmission is always rated in multiple of 11 like 11kv,33kv,66kv132kv. So i want to know wht is reason or logic here.

2 Answers  

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what are problems caused by the pdu in rack server

0 Answers  

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how much current and power in watts can be carry by 2.5^2mm cu wire and 4 core 10^2mm Al cable?

1 Answers  

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At full load wat is the motor p.f And at no load will is the motor p.f?

0 Answers   GEPL,

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Why do we will ground the positive terminal in electrostatic precipitator

1 Answers   JSW,

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which oil used in transformer?

5 Answers  

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