Answer Posted / swapnil

we can change direction of rotation of fan by changing phase
sequence of the motor.

what sort of general awareness questions are asked in o.n.g.c entrance exam?????????????????

4632

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What are protections for dty type transformers

1828

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how is the testing of an REF relay? what are the test REF circuit having?

2002

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what is the efficiency of thyristor

1628

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what is the formula for efficiency of francis turbine and generator for hydropower? what is best way to select francis turbine and generator?

2499

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sir please send me previous year questions of jspl of electrical section through which i could prepare myself fpr the test.

1906

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What is the drawback of class b amplifier? How is this minimized?

1134

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I am going to appear RRB Sr. Section Engineer Exam, Electrical. Can you send me previous year questions of RRB Electrical engineer. specially Section Engineer questions. my email id is likerahulworld@gmail.com

1805

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on a three-winding transformer relationship delta-delta-star, on third winding why the relationship is a star? what are the advantages and disadvantages? Thank you and please help

1730

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How to calculate the phase to phase clearness of HT /// LT bus bar?????

2076

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which IS or IEC is used for earthing,breakdown voltage of transformer oil, hv/pd testing and all type of electrical testing

2606

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i want some interview related questions with their answers which can help for attend the interviews...

1648

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what is the difference between 2 way and 4 pole selector switch???

2441

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y we use neutral,all r told its used to for closed path..k its a just used to closed path,in a transmission line y we put same conductor used n both phase and neutral..if we use less than phase conductor in neutral mean we ll reduce cost its right r wrong..if we use mean any problem occur in transmission line..

1979

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What is the meaning of C1, C61, C91 cable

3463

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