Answer / mani

on line ups & off line ups

what is slip rings in an induction motor&what is it's work.

4 Answers  

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54 Comments Alok and Bhanu play the following min-max game. Given the expression N = 38 + X*(Y – Z) where X, Y and Z are variables representing single digits (0 to 9), Alok would like to maximize N while Bhanu would like to minimize it. Towards this end, Alok chooses a single digit number and Bhanu substitutes this for a variable of her choice (X, Y or Z). Alok then chooses the next value and Bhanu, the variable to substitute the value. Finally Alok proposes the value for the remaining variable. Assuming both play to their optimal strategies, the value of N at the end of the game would be?

0 Answers   Bajaj, TCS,

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In an ACB shunt trip coil and undervoltage coil operated normally( breaker open and charged). But closing coil not operating untill manually discharge and recharging. Any help.

0 Answers   PPIL,

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what is the uses of C.V.T transformer in switch yard?

4 Answers   L&T,

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The earth pin of some three pin plugs are seen split. why?

1 Answers  

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Difference between ups

32 Answers   Emerson, Tata Power,

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how to measure the A.C flux .-instrument

8 Answers   NTPC,

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what is per unit impedance?

3 Answers  

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circuit breaker work alone during fault condition or need any relays ?

4 Answers  

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transformer spections :: input voltage 0-110-230v; output volage 0-10-12-14v; amp=3A using CRNO CORE, capcaity=50VA primary turns = ? ; secondry turns =?

0 Answers   Bhel,

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Define protection core in CTs Ex. 5P10, 5P20 etc.

1 Answers   HPL,

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how much kn lightning arrestor is used in 11kv line

8 Answers   Power Grid,

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