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

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how we find transformer capacity by ohm

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How many size of cable required for a 300m long and 30kw inductive lode

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Write the Name of 7 Birsrestho of Bangladesh with their designation

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Application Comparison between 22KV (UE)and 33KV (E) system. Are we allowed to use 33KV (E) cable in lieu of 22KV (UE) cable. What are the technical disadvantages.

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What is C curve and D curve of MCB?

3 Answers   GMR,

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my UPS suddenly goes off and all panel light also blow off.This happens even main electric supply is not interrupted.After some time it automatically starts functioning normally.Batteries are new.

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How many wall/floor flange will i use in bus duct system if we have in our design a 35th floor building.

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why u r living from presentaly working.

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What is the actual formula for transformer short circuit test? below i given rating of the transformer.. 1000KVA, pri 11KV, Pri amp 56A. %Z 5.95..

2 Answers  

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What is the calculation for 1000Amps Air circuit breaker relay settings.

1 Answers  

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What current can be carried by 25 sqmm copper cable safely?

6 Answers   Bharti,

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