How do we find the rating of a transformer, if it got burnt badly.
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A 60w bulb & a room heater are connected in series.if 60 w bulb is replaced by 100w then what will be the effect on heater out & why?
if we put a energy meter in 500 kvar capacitor bank ,then how much units show in energy meter per day.
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it is possible to rotate the DG engine dc starter with wrong polarity connections? why?
what is the advantage of connecting capacitors in delta than in star?
hai friends i have BSNL JTO exam on next month so if any body have model question paper or give preparation tips to my mail id kumar4486@yahoo.co.in this will helpfull for my future .plz & thank u by kumar
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5MVA TRANSFORMER SUDDENLY FAIL WITH THE PRV TRIPPING AND LARGE AMOUNT OF OIL SPREAD OUT? SO IT CAME BACK WITH THE REPAIRING WITH REASON THAT IT FAILS BCOZ OF TRANSIENT EFFECT? SO PLZ EXPLAIN HOW DOES IT HAPPENED?
What voltage is used in Directional earth fault relay? and why?
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What are the parameters of water ( Water quality )to be monitored in Centralised HVAC ( water cooler chillers )