Answer / k.prakashchandra

In case of energy meter the average pf = Total KWH / total KVAH

what is the relation between KVAR,KVA,KW?why we are mentioning capcitor rating in kvar?what is meant by arcing horn and horn gap in transformer?what is equipotential wire?

1 Answers  

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write circuit diagram for a motor rotate in forward direction once it started and when pressed the same button it should rotate in anticlockwise.

0 Answers  

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Write the analogous electrical elements in force voltage analogy for the elements of mechanical translational system.

0 Answers  

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Can any one give an explanation about rating factors of cable? if we are laying the cable on the air with an temp 15 degree then rating factors will be 1.15 and if we are laying the cable on the air an temp 60 degree then rating factor will be 0.76 please describe it and what is the difference between rating factor and derating factor?

0 Answers  

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why we use condenser in the thermal power plant, althrough the same vapour will be again heated

2 Answers  

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How to decide the size of the capacitor for a single phase induction motor say 2 HP ??

0 Answers  

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In separately excited m/c,we excite the field by a dc source,what not with ac source?

1 Answers  

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why are the a.c.series motors preferred for electric traction

4 Answers  

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In motors how many types of cooling systems were used?

0 Answers   NTPC,

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When we use a multimeter, while checking continuity of a closed circuit , what is happening inside multimeter, how it is working to produce a beep wheather it is closed or open.. is there any internaly voltage/current source inside multimeter?

3 Answers   TNEB Tamil Nadu Electricity Board,

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How to size Air Circuit breaker (ACB)? What is the most important factors?

0 Answers   ABC,

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Where we use 30mA , 100mA & 300mA RCCB ?

3 Answers   BEL,

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