DEAR SIR,I GOT THE CALL LETTER FROM RRB, SECUNDERABD AS A JE-II SO PLEASE PROVIDE ME SOME MODEL QUESTION AND ANSWER PAPERS AND LAST YEAR QUESTION PAPERS

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prove that power consumed in 3 phase delta system is 3 times as compared to 3 phase star system

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plz explain TSM and PSM.with example suppose ct ratio is 4000/5 and tsm is .15 and plug is at 3.75 if fault current is 8000A.so how i find relay oprating time.

2 Answers   College School Exams Tests, ME,

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What is the difference between earthing,ground&nutral?

2 Answers   Bhel,

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Whether the over frequency protection is turbine or alternator and why?

1 Answers   Marg,

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how to put cable sizing and cable glands size for respective cable & Cable Lug size in a DB sectors???

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WHAT IS THE DG OIL SPECIFICATIONS AND WHAT IS THE DIFFERENCE BETWEEN THE DG OIL AND TRANSFORMER OIL

4 Answers  

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why transformer rating is given in kva?

2 Answers  

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what is phase angle and how its generate moreever how we measure the phasse angle?

1 Answers  

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In 1000KVA Transformer why does we connect HT with delta connection and LT with star connection.Illustrate by showing formula?

4 Answers   Tata Motors,

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Why transformer is not rotating?

20 Answers   BARC, Nerolac,

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what is the effect of change in supply frequency on load angle of synchronous motor,all other parameters remaining same?

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