Answer / sabareeswaran

first recivied line clearance permit, after the shutdown main power supply, motor clean, then body earth checking, remove the terminal box check the connection, and check proper gland, now on the main power, check full load current, any different sound, after cloesd the permit

what will happen if dc is supplied in acb or mccb or other circuit breakers?

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The current though a branch in a linear network is 2A when the input voltage is 10 volts. If the voltage is reduced to 1 volt, and the polarity is reversed, what is the current flowing through the branch ?

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I am going to appear for the RRB Chennai Section Engineer online exam. Please send me the question papers from 2001 to date to my mail id: vsujith_rajan@yahoo.co.in

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