Answer / ashish sahebrao tekade

If there is a low pressure the arc quenching time of current is low, thats why relay got large time to operate. If there is high pressure of sf6 gas there is a possibility to break a bottle of sf6 gas filled which is harmful of machinery

Answer / k.prakashchandra

And the contacts may get damaged due to prolonged arcing

why the earth pin in a 3-pin socket is longer and thickest?

5 Answers  

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Difference between EDO and MDO breakers?

10 Answers   ACB,

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Spacing of Transformers ratings are 10kva,15kva,25kva,63kva,110kva,150kva .........so on Q) Why transformer are not manufactured having ratings in between or other than these standard ratings ?

3 Answers  

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Is phenomenon of resonance is harmfull fr the machine? if not or if yes please explain it?

0 Answers   Bhel,

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Define magnetic centre in a motor?

1 Answers  

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What is the simplest formula to calculate the rotor diameter of a synchronous generator?

0 Answers   PEI,

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testing of transformer

1 Answers   Vijai Electricals,

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What is a fuse? How does it work? What are materials used?

0 Answers  

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What is the working principle of servo motor? And explain it.

0 Answers  

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in a live circuit with a light bulb such that the bulb is off by a switch, is the light glows if the switch 2 terminals are both touched by a mouse?

1 Answers  

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if we want ot select cable size with reference to load current it take than what is the formula and it is same for aluminium or copper?

3 Answers  

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why core is useful for the transformer and in its operation

1 Answers  

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