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)

what is post close & pre close of trip circuit supervision relay in circuit breaker control scheme?

2 Answers   ABB, NEK, Power,

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how many types of ACB breakers, describe briefly..?

0 Answers  

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A 10 MVA, 66KV, 50Hz, Y-connected 3-phase alternator has synchronous reactance of 0.635 Ù. It is working at full load at 0.8 lagging p.f. condition. Find torque angle, neglect armature resistance.

0 Answers   VECL,

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what is fault level of power system ?

2 Answers   Infosys,

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What is the reason of using bus-bars on the secondary on the LT transformers?

2 Answers  

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how to calculate mf when meter and cTPT detail are given

0 Answers   IBM,

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what is the purpose of supervision relay coil

1 Answers  

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Give the expression for the frequency of oscillations in an op-amp sine wave oscillator?

0 Answers  

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how to find insulation resistance of a motor(415v) by theoretical formula??

2 Answers  

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List the characteristics of filter?

0 Answers  

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why we are using2 wave trap in a feeder?

1 Answers  

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In power plant synchronizing time (synchroniging meter should be 12'o clock position only. why not 6'o clock position not possible.

1 Answers   ITC Infotech,

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