i want all question & answers of the written exam

1 Answers   Essar, L&T, MES, RRB,

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how fluoresent lamp works??

2 Answers  

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the distance from my office to d.g is aprox 400mtrs and voltage drops ibn my office near about 40 volt what should i do p[ls suggest.

4 Answers  

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what are protective device needed to power a 360W ,50hz,240v,single phase,0.65 pf universal motor

1 Answers   L&T,

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does a DG set has low fault level as compared to that of a transformer.If yes then why.

0 Answers  

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what is voltage, and how it makes the electron to move?

6 Answers  

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describe the A.C. Generator Testing procedure

0 Answers  

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WE know that for Inductor X=2pifL,In DC f=0,then X=0 so,V=IX=0;But In the DC excitation of rotor of AC generator,DC motor field coil which coils are inductor so why does not applying DC voltage short the rotor coil of AC generator and field coil of motor?If it would then DC source might be damaged but it is not happened. Why does the strand conductor of Electrical power transmission line make twist?

0 Answers  

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why we used.c source in the field of the alternator , why not a.c source.

1 Answers  

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Is it possible to implement Restricted Earth Fault protection for a transformer without neutral CT?

2 Answers  

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what is difference between DC and Ac

5 Answers   Birla,

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In Generator How suction compression power and exhaust works ?

0 Answers   Sify,

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