Why Lightning arrester used? Can we use piece of iron as a core material of transformer, if No, why? In CRGOSS material what is meaning of cold rolled grain oriented? Why Impegrenation of Transformer is done? Properties of Insulator? what is phase angle? Testing of transformers (Routine & Monthly)?
6 12533Some question are asked from computers also. How we calculate sum in Excel? can we find cube root in Excel if yes , how? If i want to send excel sheet to 10 different person, how i can send it ( don`t tell me by mailing) condition given by interviewer.If A=.03rs(tsqr), value of r increase by 50%, s by 30% & t decrease by 20%. find value of A. If two coins having dia 25 & 16 they are rotate in their axis , Coin having dia 25 reach a point at x per sec, in how many min coin having dia 16 reach that place, Both are rotating in same direction.
2020What should be the possitive or common answer when somebody ask about your strengths & weaknesses?
5 9379Why no-load primary current is very small as compared to full load current in transformer (as 1% of full load current?
5 21095Post New NTPC Interview Questions
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mostly the questions were from machines... d.c. machines, transformer, synchronous and induction all theory paper........ few from power system... but the level of paper was easy.....
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Here is a neat trick for checking whether two strings are equal
hi Ihave applied 4 the post of SBI Po.How can we know we r shortlisted or not?
hi Is there any possibilities to find out the rotation of a shaft or something else by using electromagnectic waves or by IR rays.If s then can v change the dir., of rotation of the same by remotely?& how? plz dn't any1 say "NO r CAN'T"
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