Answer / manoj kumar

i think to find any fault on it easily. And any moisture content or dust content and any breaks are easily noted. brown is easily seen below the sky and above the ground.

Answer / mukesh jakhar

All birds dislike that colour so insulator prevent from birds wastage

Answer / ramkumar

To make it less visible when seen from above (merges with the
ground colour which is brown mostly) and thereby minimize the
risk of air borne attack during wars.

Similarly grey is chosen in US and certain other countries so
that the insulator merges with the sky above when seen from
ground and make it harder to aim and shoot (prevent vandalism)

one 60KVA UPS how can full load current tell me us formulas

1 Answers   Wipro,

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How ElCB tripping if Neutral touch with ground

4 Answers   Sanmar,

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what is the difference withbeen lighting capacitor and motor capacitor?

2 Answers  

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which of the following elements is not present in stainless steel

0 Answers   LASA,

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Why do we require transformer with less specific weight if supply frequency is increased?

0 Answers  

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What are the reason of unbalanced secondary voltage of HT transformer 33kv/6.6kv ? Incomming voltage is balanced.33kv each secondary voltage 6.6 kv 6.4 kv 6.4 kv At no load conditions.

1 Answers  

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why near the transformers, the Jelly(small white colored rocks)are poured.and what are conditions for that?

3 Answers  

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What is the importance of RESONANCE

2 Answers  

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what are effects of harmonics in the three phase a.c power system ?

2 Answers   AIIMS,

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what type of relays used in transformers?

24 Answers   APTransco, BSNL,

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What is given by the definition in BIL IMP/PF = 950/395 kV. This was found in a name plate of a power transformer.

0 Answers   AES,

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why lightning arrestor are made in two stack of insulator but why not cvt

0 Answers  

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