Answer Posted / k.prakashchandra

You can not have fixed north and south poles in the field
with AC

Which do you think is the most significant cause of energy loss in a factory?

2171

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For small size, high frequency coils, the most common core material is- a. )Air b. )Ferrite c.) Powdered ion d.) Steel

2926

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please tell me, how i clear the objective test? when i studied form the one book after i solved the objective ,that time i solved that qes. but if i tried solve objective form the other book then i could not solved these que.

1611

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what is meant by vector group of a transformer? How can it be derived?

1936

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1.Z transform always lies around ? a) origin b) pole c) zero d) z=1. Multiples Mcqs which is bother me can’t find answers on internet. Some help required with little explanation . Note: this is not homework or related to any test. Thanks

2416

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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?

1430

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How to select, design,size & calculate for 11 KV/33KV/66KV/132KV/220 KV/440 KV circuit breaker for HT side of transformer protection/HT distribution protection?

2710

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Explain about Leakage Test.

1934

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

4751

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WHAT IS IM (INDEX OF MOUNTING )IN MOTORS

1988

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Earth bits close or open. Which is correct

1873

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I AM GOING TO ATTEND APTRANSCO ON 26TH OCT 08.PLEASE SEND ME ANY MATERIAL OR TYPE OF QUESTIONS OR EXP QUESTIONS.

1901

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what is the difference between circular wdg & ractangular wdg?

2003

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Can any body tell me about INNER SHUNT COMPOUND MOTOR diagram?

2047

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HOW MANY TYPES OF FUSE?

2049

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