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)

Why only plate(copper) Earth pit given for neutral earthing? why not pipe(G.I) Earth pit?

1 Answers  

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What is the maximum and minimum rating of UPS?

0 Answers   Indiabulls,

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What is UJT PNP, NPN transistor & working principles?

1 Answers   TATA,

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why causes the burnt of AC Electrical Motor ?

9 Answers  

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What will happen if 60 Hz rated transformer is connected to the supply of 50 Hz say 415 V (3-phase) step up to 3.3 kV...?? ?

2 Answers   Essar,

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0 Answers   HAL,

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what will be d.g. capacity to cater together for 14hp A.C. load & 3kw lighting load

0 Answers  

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what is the use of Turbocharger in a gen-set?

3 Answers  

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How will u calculate wire size according to current rating?

2 Answers   Global Computer,

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If we increases the %impedance of Transformer then price of Transformer will increases or decreases.

1 Answers   Siemens,

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what is transistors comprised of?

0 Answers  

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Why not using Air circuit breaker at High tension side?

1 Answers   Wipro,

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