Answer Posted / dr mukesh kumar

My dear friend if you are B.Tech[Electrical], why you worry for the questions, just inculcate confidence in your qualification. In the interviews you are always asked very general questions which can be answered without sketches and calculations.

In cable sizing calculation (determining the max route length of cable) why we choose the shortest length between cable length of full load current Iflc & starting current Istart?

3321

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why we dont prefer ac voltage controller instead dimmerstat [if both have same rating] for conducting experiments in laboratories?

2149

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Whether it is possible to measure energy at the input of rectifier transformer (12 pulse with very high odd harmonics)

1908

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how to remover corona effect and hysteresis losses from contactor

2035

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we specify current in case of feeder but in case of distributor voltage, why?

1815

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what will be the min and max voltage flow from neutral to earth?

1540

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What is meant by reverse polarity and how it can be fixed?

1268

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Transformer cores are laminated in order to A simplify its construction B minimize eddy current loss C reduce cost D reduce hysterisis loss

3280

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how flow current in 220 kv line to line

1993

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What is the need for a controller?

1222

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What is relation between transmission lines & Communication lines ?

2198

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what is The difference between national electrical code and I.S.Code (electrical) and what is the value of NEC in electrical engineering field

2027

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how we design a pannel to start 10HP motor with the help of star delta starter?

2222

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what is model question rrb junior engineer electrical gr.II

1955

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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

2004

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