Electrical Engineering Interview Questions

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Can the Neutral and Body Earthpits of a transformer conncted together by Earth strips under ground.

If one 10 Hp 3phase induction motor connected in 380volt 50Hz. and again its connected to 380volt 60Hz. howmuch currrent and power take on both time?????

1.In two wattmeter method if one wattmeter shows Negative reading then wat is reason? 2.Wat is the reason for low voltage in houses? 3.Wat is meant by current and voltage? wat is difference between the two?

what is the easiest method of short circuit current calculation ? pls. derive with a mathematical example in real life application.

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Un-Answered Questions { Electrical Engineering }

Is it required to lay 2 runs of GI wires along with armoured cables from one power DB Machines of higher rating?

what clearance required for 4.5 mva dry type transformer?

Explain about Dubai electrical sysaem? Explain about Dubai drinking water system? Explain about Dubai Burj tallest building Electrical,Water.etc.. maintenance system?

I need a formula to calculate the size of cable as per load but in the terms of length. Please Reply me as i search lot of sites but i did not get the answer.

What do you mean by Stimulastion Test in Diesel Genarator / Why & when it's conducted ?

What is the high series capacitance winding on high voltage power transformer ?

BRIEFLY EXPLAIN THE STORAGE CLASSES AND THEIR TYPES IN C

comparision between ACB and VCB

What are the functions of temperature scanner in power transformer?

what is self capacitance of inductor

Define active filter?

What range of speed can you get with the field control method of speed control of d.c. Shunt motor?

what is kvarh? Please define it With calculation General motors ?

i have 90kw motor.so i choose connect cable .please what is parameter checked so please give to formula

what is p.s impedance measurement test in earthing transformer?