Answer / k.prakashchandra

Classification based on max allowable working temp 1. A
-1o5'C -oil ,bitumen 2.B -130'C-polyester film, mica 3.C
-above 180'-quartz, porcelain 4.E-120'-glass cloth,resin
5.F-155'-mica, glass, asbestos 6,H-180'-silicone rubber,
composite mica 7.Y-90'-wood,cotton

why insulators colour is BROWN?

1 Answers  

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State magnitude criterion.

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what will be the efficiency off x'mer during no load test and during short circuit test

1 Answers   GPSC Gujarat Public Service Commission,

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how we are desining 63.5 ohm resistor for NGR of alternator?

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What is the differance between Digital Energy meter & Static energy meter? why the KWH diferance between both meters.

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what happens when ac supply is given to the dc motor and dc supply is given to the ac motor?

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How to calculate capacitor bank size at a load 800kVA.

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The ratio of white balls and black balls is 1:2. If 9 gray balls is added it becomes 2:4:3. Then what is number of black balls ?

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what solid earthing means?

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what is differentila pilot supervision in the incomer control panel in the power station?

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How does a 3 phase induction motor is started?

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Why we use CT on differant phases of 2ph.PT detection for brush-less static excitation of 3ph.,400v Synchronous Generator? What happen if use CT on same one of VT phase?

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