Answer Posted / ss

there is chances of failure of ac suply but dc suply cant
fail because it is fed from batery bank.

If Polarization index of motor 8.75 at 500volts of medium voltage 4.16 KV motor what this mean winding good or bad pl answer if any reffrence book give me the link

2123

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i have attended the interview on 4th June,08 at Kolkata in IOCL, can anybody tell me what is its result

1985

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how power trnafor from 1 point to another point in bus bar ya transmission line( voltage trnasfer from 1 point to another poin)

1997

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What are the types of windings according to the construction?

1126

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what is lumped and distributed elements?

1964

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What are the main significances of root locus?

1238

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explain all the classes with example

1971

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how to enter inverter parameter? without manaual?

2043

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Why different Pressure switch used in marine boiler water circulation system

1771

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How to calculate per unit impedance of transformer?

2215

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Difference between Earthing Truck & Earthing trolly for HT panel

4405

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I want to design a heating coil of 80/20 nicrome for 3.5KW please give me the calculations choosing for physical dimensions assume coil voltage will be 110V AC assume necessary conditions

1611

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As we use capacitior bank in 3ph ckt for improvement of PF, why not we use capacitor in single phase domestric use, at our house their are many inductive equipments,like fan,mixer,tube choke,air conditioner they also draw PF... by using capacitor can they improve PF. if yes--what are advantage and how to connect a capactor in single ph,and which type of capacitor if no- what are disadvantages.

1880

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

2138

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WHat is the requirement of installing FAST ACTING EARTH SWITCH in GIS and how is that integrated with protection system. How and when does it operate?

2176

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