What is the Good Earth resistance value of G.I & Cu. Chemical Earthing & Normal Pipe Earthing?

0 Answers   ABC, Reliance Life Sciences, TCS,

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1 kva how much amps? How to calculate ?

2 Answers   L&T,

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How to checked frequency drive output voltages?

0 Answers  

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what is differance bw ELCB and MCB. ?

3 Answers  

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Why is DC use instead of AC for protection and control circuits?

4 Answers  

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Why do you use an isolator on both sides of the circuit breaker? ( shortly answer)

2 Answers  

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hi everybody how to design string combiner box (scb) internal parameters like bus bar and spd (surge protection device and fuse which place to set that,and also bus bar one particular cross sectional how much heat generated and how much power loss tell me Clearly and briefly

0 Answers  

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If we impress a dc voltage of 230 V on an unloaded 230 V, 50 Hz transformer it wi A give high secondary voltage B burn out C give secondary voltage as per K D none of these

0 Answers  

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HOW TO CALCULATE CT AND VT RATIO IN PRTECTION AND METERING?

1 Answers   College School Exams Tests, L&T,

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What are the three major categories of error?

0 Answers  

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What are the advantages of instrument transformer?

0 Answers  

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Why is it that variation allowed in supply voltage to motors is (+ or -)10 %, whereas that in frequency is (+ or - )5 %

3 Answers  

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