Answer / ramkumar

A few reasons:

1. Ceramic is cheap (basically sand).
2. Excellent plasticity (enables moulding / shaping to
required size shape)
3. Its an excellent non-conductor,
4. Has very good mechanical and thermal properties.
5. Easy availability of raw material.

how many by pass system in online UPS.

4 Answers  

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In CDG type IDMTL realy O/L , E/F, O/C which are used for out going feedrs,on R-phase o/c element, Y-phase , e/f elecment and on b -phase o/c element will be connected . Why the earth fault on center phase only, why not on other two phases?

2 Answers  

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WHWT IS USE OF VACCUM CIRCUIT BREAKER

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in conventional fan regulators how the current varies with speed?

0 Answers  

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i am completed my degree(B.E EEE) 2014 anychance to get electrical licence plz help me

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how can calculated the rating of the 11 KV transformer?

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What is the power factor you maintain at ur organization?

43 Answers   Cummins, Exide, Johnson and Johnson, KTC, Microsoft, Powergear, Secure Meters, Suncity Strips, Wheels India,

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WHAT IS DIFFERENCE BETWEEN POTENTIAL DIFFERENCE AND E.M.F?

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why grid frequency varry time to time?

2 Answers  

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What is the meter used to check the DG sound level.and pollution check

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what happen if ac supply is fed to rotor of the alternator

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how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?

0 Answers   Schneider,

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