Answer Posted / k.prakashchandra

Because it is AC

What is the fault or needs to be done when frequency in ac drives is not changing?

1660

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Discribe type of fault in DOL and stardelta startor.

2240

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if 6 earth pit value is 1.5 ohm then what should be the number of earth pit to make the value .8 ohm

2249

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what is the synchronous timer ? and it applications.

2396

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I have one ct of ratio 3000-2000/1 Amp its knee point voltage mentioned on name plate is 500-333/30mA-50mA at Vk/2. in secondary box there is three terminal named 1S1, 1S2, 1S3 then on which terminal obtained the knee point voltage ie 1S1-1S2 OR 1S1-1S3 & also specify the knee point voltage for the ratio 3000 from name plate.

2450

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What is the difference between UPS & inverter ? which UPS is better and whos got the edge ? what is the difference between & inverter ? which UPS is better and whos got the edge 12 V , 24 V , 36 V etc what are the advantages of 12 V, 24 V , 36 V etc and what are the disadvantages of 12 V, 24 V, 36 V etc thanks

1906

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Define unilateral circuit?

1243

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A TRANSFORMER 440/400V,DELTA/STAR CONNECTED.THE NEUTRAL CONNECTED WITH GROUND CABLE THAT IS DIRECTLY CONNECTED TO THE PANEL,FROM PANEL IT IS CONNECTED EARTH PIT.IS IT RIGHT? IF IT IS RIGHT LEAKAGE CURRENT AFFECTED.SECONDATY IS PROTECTED WITH EARTH LEAKAGE RELAY.

2110

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hi can any body send me syllabus of rrb electrical section engg... and past pepar also of any board...

2683

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AL=0B9H,bl=75H, ADD AL,BL AL=____________? CF________? OF___________?

2671

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What is kirchoff ’s current law (kcl)?

1092

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What is a commutator?

1046

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How to do bus bar short circuit calculation for 230KV/11kv, 60 MVA Substation?

4720

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WITCH CARDS IN USE IN FIRE CONTROL PANEL.

1932

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what could be the RMS value and average value of a 4 phase sine wave?

1881

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