why power not passes in plastic and rubber material

0 Answers   GPG,

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why farmers are use earthing instead of neutral for their light conec. at field.is it safe

2 Answers   Honeywell,

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how to check capacitor in general

1 Answers  

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Explain with example of functional requirements of protection relay in terms reliability, selectivity, sensitivity

0 Answers   NCC,

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What is the purpose of stand by earth fault protection for transformer ?

0 Answers  

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pf of synchronius motor is unity, is it axact(=one) value. ?

1 Answers  

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How instantanious short circuit current is calculated? its formula?

1 Answers  

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Does RCCB do the job of MCB? Lets take 16A RCCB. it trips when residual current exceeds 30mA. does it trip in an over current situation, i.e when current exceeds 16A ??

2 Answers  

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We use MCCB not MCB for motor starters because MCCBs has capablity to drawout the motor starting current which is 5-6 times the full load current of motor for 1sec. Then why we use SDF in starter panel means MCC panels. Pls reply if any one knows this answer.

1 Answers  

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for 500mw power production how many range of transformer set in unit please reply if three transformer use .

2 Answers  

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what topics we have to concentrate for power grid et.written test.and tell what to read for english synonyms and antonyms.

0 Answers  

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High voltage test procedure of in swgr board. why should measure millivolt drop on testing time?

0 Answers   NTPC,

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