Answer / shoaib

line to line voltage is 440v

Answer / dijesh

it is wrong to say three phase voltage is 440.

How many types of electric motors are there?

0 Answers  

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what is difference between earthingpits,earthing grid & earthing mess?

0 Answers   TATA,

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how  do you choose the cable size as per amps rating & the voltage drop for the same.

0 Answers   C&W,

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Why field resistance is greater than the armature resistance in dc mechine

1 Answers   Cape Peninsula University of Technology,

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What is dc current source? Differentiate between ideal and non ideal current sources?

0 Answers  

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what is the function of a circuit breaker ?how does the circuit breaker function during normal operation of an electrical system

2 Answers  

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What is the deffrence between Siemens S7-300 & S7-400 PLC?

4 Answers   ADC,

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please send me privious exam's queation papers of section engineer(electrical).

0 Answers   RRB,

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How to take vector group test of a transformer? Suppose we dont know the vector group of transformer, how to check its vector group through test? I have 3 transformer DYn11 & DYno& Ynd11, how to confirm its vector group?

1 Answers  

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What is the practical way to calculate the cable size for known ampere load?

0 Answers  

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What will happen if I apply DC to AC transformer? please send detailed answer at habib_rahman_habib786@yahoo.com

4 Answers  

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1. what is the power factor and whatis his losses 2. what is the working procedure of 51RNB AND 87 relay

3 Answers   ABB,

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