how to calculate no. of earthing pits and their diamensions? no. of lightning arrester rods which are required to protect a building of 35 mtr and we calculate?
5 26220What are the protections required in the main lt panel which is connected to the transformer.
1 2281A 3-PHASE TRANSFORMER IS USED TO STEP-DOWN THE VOLTAGE OF A 3-PHASE, 11KV FEEDER LINE. PER-PHASE TURNS RATIO IS 12.FOR A PRIMARY LINE CURRENT OF 20A, CALCULATE THE SECOUNDRY LINE VOLTAGE, LINE CURRENT AND OUTPUT KVA FOR FOLLOWING.A)STAR- DELTA.B)DELTA-DELTA.
2451The sodium vapor lamp is not glows when it is connected a distance of 5 meters above from gearbox, why ?
3206Post New Ispat Electrical Engineering Interview Questions
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