Answer Posted / madhvaraj

Red, Green and Blue are the three primary colours. These colours are unique and cannot be formed by mixing any other colours. More over they are distinctly visible for identification.As we require a 4th colour for representing neutral, the mixture of red and green, i.e. yellow is taken for representing phase and the green, universally accepted for
safety is representing earth.

How to decide CT & PT ratings for a given transmission line carrying some rated voltage?

1890

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Calculate torque developed by the 3-phase, 5 H.P., 4 pole induction motor runs at 1500 rpm A 23 N-m B 21 N-m C 10 N-m D 0 N-m

4363

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what would u consider to be the basic purchase order information you would need to proceed with a cable inspection assignment?

1473

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What is the maximum No. of out going mccbs permitted from an LV distribution paqnel? What is the ampere relation between incomer and out going switch gears/mccbs?

1472

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where solid grounding and where grounding through ngr done and why?

2101

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What is order of the system?

714

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Distinguish between nuclear power station with thermal power station for initial cost, starting period, cleanliness, and transportation of fuel

1534

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I need to connect a synchronous generator to the grid using automatic synchronization and two circuit breakers (one for synchronization, one for end connection to the grid), how to determinate the required diameter of the cables?

1744

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what is the importance of earthing system on the generators big capacity and small?

1316

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PIU how does work?

1996

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Explain bypass capacitor?

654

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How do we calculate transformer oil in liter from the rating of the transformer.

1184

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Is single load(eg: three phase motor) having all the components like positive,negative,zero sequence components during fault condition?

1362

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What is 11 N1 and 12 N2 in single phase Transformer ?

1507

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Do closed loops systems require manual input?

649

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