What is the main purpose of relay?

1 Answers  

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WHAT IS THE USE OF STARTER AND CHOKE IN TUBE LIGHT?

1 Answers   Siemens,

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What is super thermal power plant? and how it will differ from normal thermal power plant

0 Answers   AK, Suzlon,

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WHY AREWE USING THE 3 1/2 CORE CABLES IN POWER TRANSMISSION

1 Answers   Phoenix Technologies,

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What is OLTC in a transformer, specify its fuction.

35 Answers   Bhel, Isgec, L&T,

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What conditions are required for transformer to operate at low frequencies ?

0 Answers  

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1.Why use in ups in software's,reason,and pls explain. 2.what is the isolation transformer and main use it's functioning and partes.

5 Answers   TATA, Wipro,

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What is the difference of grounding and earthing?

6 Answers  

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If a current -8+6sin6t is flowing three ammeter, one is a centre zero PMMC meter, one is true rms meter and one is moving iron meter. What are the reading of these three meter respectively?

0 Answers   National Insurance Company Limited,

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

2 Answers   Siemens, UPL,

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What is the purpose of reactor.why we used in over head line?

2 Answers  

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What is current divider rule (cdr)?

0 Answers  

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