Fire pumps are not used with ELCB control, why ?

4 Answers  

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what is the other name of dc series motor

2 Answers  

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what is a lightning arrester???

12 Answers   ABB, NTPC,

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How to calculate meter constant @ HT yard

5 Answers   Juniper Networks,

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How to calcualte the total number of cells required for particular UPS of some X KVA with 3 and 5 hours back-up?

1 Answers   JLL,

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what will happen power cables laid without gap in underground

1 Answers  

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What is the most accurate way of testing ELCB?ELCB is better than RCD?

0 Answers   GECO,

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what type of loads are inductive load & resistive load ?how they different between each other ?

5 Answers  

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what is the formula for calculation of sac?

4 Answers   TCS,

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Why induction motor can not be operated at synchronous speed?? what would happen if it is operated at synchronous speed??

5 Answers  

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what is the internal fuction of a ceiling fan?

2 Answers  

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What is mean by INRUSH CURRENT?

8 Answers  

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