Answer Posted / raza

In Oil transformer, Mineral Oil is used for insulation and
cooling pupose but in dry type transformer, no any kind of
oil is used. In dry type transformer, other methods of
cooling are used i.e. air cold, water cold etc. and for
insulation purpose air, vaccume etc. are used.

If i have two 3000 kW motors and the whole facility requires a 10 MVA transformer. What would be better installing two 5 MVA transformers(one for 1 motor ) or just a single 10 MVA transformer for both of them. Give reasons for your answer.

6149

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what shoud be strength and weakness to impress interviewer????????

2085

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What is the role of Dedicated earthing in UPS System?

3112

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I COMPLITED MY B.TECH AND 10TH CLASS WITH 70%MARKS BUT 12TH CLASS 55%MARKS..CAN I GET INDIAN RAILWAY RECUREMENT EXAMINATION?

2192

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which is the best institute for PLC,SCADA,DCS in hyderabad

2367

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how we find transformer capacity by ohm

2225

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what's the simultenous maximum demand (SMD)..what the diffrent MD and SMD?

2531

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what type of earthing do for dry fissure rock?

2441

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With a phasor diagram show the effect of increasing the field current of a generator supplying a constant real power and connected to a grid system.

1989

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A parallel flow heat exchanger will perform better than a counter flow heat exchanger. State if the statement is true or false.

1266

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How can we calculate ac current from the given DC current when AC voltage is given?

1961

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Why should we hire you over the others waiting to be interview?

2850

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What is meant by turbo alternators?

1222

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what is the benefit of floating our DC source? if i have two floating DC source of which 1 has a ref voltage of -21VDC and the other of -18VDC. can it be connected in parallel to share a common ref voltage? if not, how do i make both sources to be of common ref voltage? tks

1907

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Explain Continuous and Discrete signals?

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