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

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sir i want previous entrance exam papers for written test

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