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iam preparing for rrb section engineer post in electrical
branch.suggest the right textbook for my
reference.fromwhere i will get the previous q.papers?
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i have faced a problem in ro plant grunfos make bm30type pump it is 22kw pump. We start this pump using siemens 3rw 4423-ibc44, 30kw softstarter but this soft starter will frequently failier so we planed to change dol starter. So pls tell anybudy its possible or not.
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