Answer Posted / manoj kumar

0.4ohms

What is meant by earthhing of a magnetic flow meter and when to use empty pipe detection?

2239

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Explain about c.t?

1128

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How can you calculate the size of the down conductor cable for the lightning protection system. Is 70mm2 cable can replace 95mm 2 bare copper cable when the copper tape size is 25Wx3 thk mm.

5390

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Explain the purpose of inductor in an electric circuit?

1130

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An 8 pole, 50 Hz, 3-phase IM is loaded to a poing where pull out torque will occur. The rotor resistance per phase is 0.3 ohm and motor stalls at 650 rpm. The slip when motor stalls is A 1 B 0 C 13.33% D 10.33%

1931

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quantizer means?

1941

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Why there are some equipment(i.e:TV) that using 2-pin plug instead of three? What happen if there is current leakage? Are we going to get electric shock??

2185

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In case of HV test on medium voltage cables, BS is asking for 4 U0 where as IEC is asking for 3.5 U0. Can any one advise me how this 3.5 times or 4 times U0 is derived?

1691

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What is the reason that the humming sound is coming from the induction furnace panel?

2603

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what is the difference b/w ground & virtual ground?

2312

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What is the use of bundle conductors?

1180

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What is reverse power relay?

1182

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If more than rated DC voltage appears across trip coil of the breaker, what will happen? e.g. in 110V DC circuit system, if voltage across battery terminal showing 121 V

1658

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Work done in a free expansion process is

1159

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what purose of the double circuit transmission line phase of the line phase changed for circuit-1 for Circuit-2 R-Y-B B-Y-R

2283

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