Safety of on line ups

0 Answers   Bhushan Power Steel, GE,

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what is ps impedance test

0 Answers  

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why, when birds sit on transmission lines or current wires doesn't get shock?

36 Answers   College School Exams Tests, Infosys,

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How does a battary stores charge in it? please explain in simple manner and in detail.thanks

0 Answers  

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How can we design MEP services for Commercial Building in area about 22 Acres of land?

1 Answers  

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magnetic circuit consume energy

3 Answers  

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Why HT voltages are expressed in 11KV,22KV,33KV and so on? (ie in times of 11)

3 Answers   Bhel, Park Hotel,

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how harmonics are generated due to nonlinear load & how harmonic filters work?

1 Answers  

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We have 110Vac ,10A ac supply which is converted into 110VDC & How much DC current? which factor is reqired for dc current calulation?

1 Answers   Suzlon,

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what is RTD? what is THERMOCOUPLE? What is difference between it?

2 Answers   Bhel,

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If the supply voltage is same (say 440V) whether a system designed for 60 Hz frequency will work with 50 Hz frequency or not , if so pl. give clarification.

11 Answers   ABB,

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why power factor is only cosine angle not sine angle?

2 Answers  

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