why r we using vaccuum circuit breakers in the place of m.o.c.b.

1 Answers  

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For fixed primary voltage how does secondary terminal voltage of a transformer change if the pf of inductive load is raised from 0.7 to 0.9 with load current remaining fixed ?

1 Answers   GATE,

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can anyone explain 11kV 3core cable megger,hi pot test procedure with connection details?

0 Answers  

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what is Aircraft earthing and what does it do?

6 Answers  

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How halogen & merquery lamp works.

0 Answers  

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how we can calculate the efficiency of a diesel generator ?

0 Answers  

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50 electric bulbs are connected across supply of 220 volts. After one bulb is fused remaining 49 bulbs are again connected to same supply. which case will have more illumination & WHY????????

5 Answers   KJ,

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Can an inverter be used as a converter? How?

0 Answers  

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Is an SCR semi controlled device?

4 Answers   IOCL,

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What Happen When output Short of transformer

2 Answers   L&T, Saber Corporation,

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what is the reason for choosing DYn11 in transformer, why not DYn12 or something else

1 Answers  

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Types of circuit breaker

1 Answers  

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