Answer / sandeep

the answer is 2&3?. in one of the book i found choice 1..
..Please justify

What is A.C Resistance for Earthing ?

2 Answers  

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why is the HT voltages are in multiples of 11KV

1 Answers   Clariant,

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what is the function of step up transformer?

2 Answers   DEWA,

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2. The heaviest and lightest strings on a certain violin have linear densities of 3.0 and 0.29 g/m. What is the ratio of the diameter of the heaviest string to that of the lightest string, assuming that the strings are of the same material?

1 Answers  

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what is the working principle of dc motor & its application ?

3 Answers  

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What is the Working principle of ELCB and RCCB?

1 Answers   Geo Miler, L&T,

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How Much Capacity of Diesel Genset is suitable for 20 no.s of 1.5ton AC's & Why?(Load Calculation)

11 Answers   Lapis Technologies,

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if single phase is having 220v supply then why three phase is having 440v instead of 660v?

4 Answers   C&S, NTPC,

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can we replace d.c.motor by 3 phase induction motor for a particular application

4 Answers  

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why fuse is not applicable for nutral and what will happen when it applied.

4 Answers  

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why only 26v dc is used in aircraft and 115v ac in aircraft.

0 Answers   Jet Airways,

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whenever any squirrel or a crow falls on the transformer input line then there is a big explosion and 440 volts of power is being discharged through the neutral line due to which appliances in off mode are also burned.we have earthing for the transformer as well as the bus bar chamber.why is it happening?

1 Answers  

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