Answer Posted / parbat musar

Load 50 amp

we specify current in case of feeder but in case of distributor voltage, why?

1816

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In between UPS out going changer over switch and ups raising main input, both side cable gland producing heat but the cable doesn't get heat,Why?

2276

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In a 3 phase 4-wire system. For a 3.5 core cable if all loads are single phase and balanced, what will be neutral current? will it be sum of all phase currents? Or it will be zero? And if loads are unbalanced what will be neutral current?

1716

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what are inherent currents?

2032

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what are the application of over current relay?

5261

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What is the criteria for selecting the voltage classes of an AC Induction Motor.The KW rating above/below which ht/lt selection is made may be provided in details.

1651

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AL=0B9H,bl=75H, ADD AL,BL AL=____________? CF________? OF___________?

2672

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PLEASE TELL ME ABOUT QUESTION PAPER OF UPCL ENTERENCE EXAM.

7979

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what sort of general awareness questions are asked in o.n.g.c entrance exam?????????????????

4640

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why the active power flow of some line is increased when the active power of out is cut ?

2052

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What si the d/f b/w KVA & KWH, kvarh & kvar, kwh & kvar phase voltage & line voltage

6169

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Why sometime AVR and sometime Booster coil is used in Alternator? what is the diferance between AVR & Booster coil due to which they are selected

3132

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Dear sir, In our plant have Station Transformer having capacity,i want to know, why LV side 40 - 40MVA is given? & how we can get 6.3 KV supply from tertiary(i.e. Open delta connection), Vector Group YNyn0 - yn0 +d MVA Rating 80MVA / 40 - 40MVA + 26.7MVA Voltage rating 420 (Tap range +6,to -10)81.25% /11.5KV - 11.5KV +6.3KV

2174

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in dc suppy frequency is zero why? if dc frequency is zero how to exist dc transients and ac transients

2135

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How to calculate the External Resistance required for 60HP slipring motor in case no any data of the Motor is available???

2068

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