Answer Posted / k.prakashchandra

same

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.....

1970

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Why power factor should not be in leading (capacitive) mode of any load.

7023

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How much no load current of synchronous motor

2096

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A 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.

3061

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what percent do you derate your copper wire when you change from copper buss to copper wire

1990

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if 12v battery get discharged for 2 months after if we put charge it will charge again?how much time it will take to charge?

1927

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Hi Friend I am used multimeter to measure the voltage between R Phase(SS1) to R Phase(SS2). In SS1 is connected with UPS loads. But I am getting voltage between these 2 R Phases. Please give some idea friend

2088

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what is solkor relay and which condition it will act?

3359

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what is meant by poly phase induction motor ? how its operating by single phase or three phase?

2154

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we need a ntpc previous papers

1929

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How many kw will suply from one db

1566

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What are the applications of autotransformers?

1084

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what is destructive and non-destructive testing of welding

1682

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A 3 phase transformer's (Y-Y) Y and B phase is (Y and B connection not broken) broken from neutral and R and Nutral connection is ok, what will be the relay tripping and why

1967

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why we use ac supply as 415 volts instead of 415 v why we cant apply 230 v for dc

2406

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