Answer / zala

switching 2500/1.2 micro.sec
surge 250/15 micro sec.
lighting 50/1.2 micro sec.

why we use only sine wave in ac why we do not use other wave forms

21 Answers   BARC, NTPC,

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can any one help me out by posting something related to rvnl interview for site engineer electrical.? what is the procedure? what kinda question they ask us? how long the interview goes? and any tips? and any thing you want to share?

0 Answers  

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During Load testing of battery charger with temporary AC Generator .When reach 70% load Generator immediately shutdown .we could not able to Recognize ,what is exactly problem .Please kindly clarify us

1 Answers  

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how long will take to burst/damage for a CT when secondary in open condition? Experienced: During switchgear testing(Primary current injection test) some of the CT are in open condition, but nothing happen's why?

1 Answers  

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Will MCB tripped off, if there is an electric shock to Human body?

9 Answers  

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Can any body tell me about INNER SHUNT COMPOUND MOTOR diagram?

0 Answers  

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Whats the type of current and potential transformers?

3 Answers  

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why do we have 230v a.c. as general voltage for domestic supply rather than others?

2 Answers  

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What will be the diameter of pipe between conservation tank and transformer

0 Answers   JLL,

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Can any body tell me the different types of LT cables & their application.

0 Answers  

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what is the difference between a feeder and a cable?

3 Answers  

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Which is the best between SCADA & PLCC & Why ?

2 Answers   ABC,

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