Answer Posted / vel

over current and earth fault relays (2OL+1EL method)are
used for lv .

if we look on phasor of the transformer vaoltage is 180 oppsite at primary and the secondary so to improve a power factor is secondary should kept negative to improve it primary side means is -.90 became +.90 at other side

1918

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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?

2238

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Percentage losses in power generation?

3046

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Working of microwave oven?

2303

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List examples of voltage source?

1081

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How we can calculate the life of Lead acid battery

1850

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hello!my name is sheikh iam preparing for indian engineering servieces,please send me the old question papers..to sheikhshaazforjobs@gmail.com

2130

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What is meant by control system?

1258

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For high frequency application we use which transformer?

2007

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what are the parameters plays a major role in Potential transformer Burden calculation??

2279

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How many devices can be connected in one zone of FACP

2360

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What are the types of instrument transformer?

1232

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State angle criterion.

1175

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There is air in a room . the top and bottom of the room are at constant temp. T1 and T2. DRAW THE temp profiles if a. T1 greater than T2 b. T1 less than T2

1950

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defination of transistor controlled series capacitor

2682

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