Answer / k.prakashchandra

1) to check the growth of vegetation 2) to reduce touch and
step voltages 3) to offer an anti-skid surface

Answer / pallab phukon

if during rainy season ,water may form any conducting path
causing short circuit,so to prevent this stones is used.

Answer / ramandeep

There are many points in switchyard which are earthed,so to provide low resistance path,we should have to increase moisture in soil and when there is raining water easily absorbed by earth or soil which increases moisture and provide low resistance path by which fault current easily transfer to ground and the stones which are used at switchyard work as a insulation b/w wet soil and living body or human.

why protection meter is always connect to star

1 Answers  

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which of the following loss varies with the load a)hystresis loss b)eddy current loss c)copper loss d)core loss

2 Answers  

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How can we calculate the current if we have load in KVA and if the load in KW then what formula will be use for calculating the current. please give both the formula for calculating the current.

3 Answers  

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what are trouble functions of transformer?ex. prv trip,oltc,oti,wti.explain detail.

1 Answers  

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what is 3rd Harmonics? how it is generated in alternator

2 Answers   Aditya Birla,

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Why earthing is necessary for any equipment?

0 Answers  

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WHY IS THE UNITY POWER FACTOR NOT THE MOST CONOMICAL POWER FACTOR?

3 Answers  

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Refernce currents are to be generated using refernce cueernts how can this be done

0 Answers   ABC, Wipro,

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At what point crngo works like as crgo

0 Answers  

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Regarding units, for voltage we are denoting Volts as V but in case of current we are not denoting Ampere as A instead as I..Why..? Any technical reason for this..?

1 Answers  

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Difference between earthing & grounding.?

3 Answers   ABB,

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What would be the size of wire used for 2 Ton of window A.C?

0 Answers  

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