Answer / adinarayana.k

two earth pits connected in parallel(short the two earth
pits together and take two ends to connent building

Answer / mohamed

if earth mesh is laid during construction put earth pit in
each corner of the building.Interconnect the earth pits with
proper sized cu. ACSR conductor

Answer / hitesh

When Two or more Earth pits are interconnected its called a mesh or Grid. and value of earth resistance should be less than 1 ohm for a grid.

plz tel me syllabus and exam date 4 jr executive engg (electrical)

0 Answers   AAI Airports Authority Of India,

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What happen if LV supply is fed to a HT motor?

19 Answers   ITC Infotech, Jindal,

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how to find the starting current of the motor?

1 Answers   BOC,

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HOW EFFICIENTLY LOAD IS SHARED BETWEEN ALTERNATORS

1 Answers  

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Diagram and details of polarity test for Current Transformer 11kv 400/200/100/1A

0 Answers   Hiranandani,

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critically criticize the application of ring main unit in power system

0 Answers  

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what is meant by moulded case circuit breaker ?

0 Answers   ABB,

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what are tpes of insulaors& its uses

1 Answers   ABC,

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what happen as when voltage drop(or may decrease) ? in case of atomic base theory?

0 Answers  

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Which type of arc protection devices used.

2 Answers   KSEB, L&T, Siemens,

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We have a couple of oil tanks at our plant. One of them does not have a lightning arrester installed. My question is it necessary to install an arrestor on every tank or will this particular one be covered by the arrestor installed on the ajdacent tank, Since all the tanks are close to each other. Basically, I want to know that if these arrestors or protection works in a parituclar area of effect or influence. Thanks

0 Answers  

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1) Explain why we don't link the two earthing system ht and mv on a pole mounted transformer sub-station.

0 Answers  

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