When color of silica gel will gets change from blue to pink from Top to bottom?

0 Answers  

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if we use contactor & MCCB both in a feeder.in this feeder rating of contactor is higher or lower or same of MCCB rating & why?

1 Answers  

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what is rotor earth fault protection scheme in hydro generator & what is dc field flashing ?

2 Answers   NHPC,

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What will happen if we on 200kvr capacitor bank(11kv in bus)If there is low load on transformer (1.5 mva 33/11 kv)

0 Answers  

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How can i calculate heat load ?

3 Answers   DSSR, NSN,

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how to work exciter in 10 MW alternator?

2 Answers  

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when we are going to higher voltage level in substations why we are using Sf6 circuit breakers instead of Vacuum circuit breakers.

3 Answers  

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how can I check HT cable ?

2 Answers  

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why the earth terminal in three pin top is longer than rest of the two terminal and of bigger size?

6 Answers   BARC, MAHINDRA,

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what is the principle of operation of CFL ??

0 Answers   IOCL,

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how many types control panel of a 132/33 kv substation

0 Answers   Alstom,

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why we can't use more then 50 hz in india ? Is it possible ?

7 Answers   DVC,

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