HI SIR, AM PREPARING FOR RRB FOR SECTION ENGINEER POST. PLZ SEND ME THE PREVIOUS QUESTION PAPERS AND HELP ME. I HAVE NO ENOUGH TIME MY EXAM DATE IS 22ND JUNE.... MY EMAIL ID IS nalla.amarnath@gmail.com

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what is PDU in transformer?? which company manufacture??

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Why in metering Ct for ammeters ct secondary side is grounded for each Ct but not in case of CBCT (Core balance current transformer)..kindly some1 highlights the reason..is it because net flux is zero?

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Why the earth to phase voltage is high 250 compare to other two phases

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WHAT IS counter flux IN CT?

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What is Wlak Test in Fire Alarm System????

2 Answers   Emerson,

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My load is 1635 KW. & current pf is 0.884, I have to improve it for 0.99.Please suggest what KVAR value is needed?

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Is it advantages of having star-delta vfd than normal star vfd , if yes why?

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what is the difference between the alternator used in hydro and thermal power plants??

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what difference beetwin phase voltage & line voltage and phase current& line current ?

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What types of CMOS memories have you designed? What were their size? Speed? Configuration Process technology?

0 Answers   AFG, Afghan Telecom, GE, IBM, SECL, Sun Pharma, TNPL,

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Which generation plant has instant start

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