Answer Posted / baba

hydro

Hello Guys !! i want to rrb section engineer electrical(signal) previous model papers? any body help me?

1848

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HOW TO CALCULATE ELECTRICAL, MECHANICAL,& OVERALL EFICIENCY OF GAS ENGINE POWER PLANT

1947

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what is the best transformer oil breakdown voltage?

1082

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what reason of line current and phase current in star connection and line current and phase current not equal in delta connection?

2041

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why we need to us lenz's law for synchornous motor

2508

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hr round

2070

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For a 6.6kV Motor it is recommended to do megger test with 500 V d.c and not more than 5kV d.c but the Hi voltage withstand test should be performed by 12kV AC. Why the dc voltage test should be limited but AC voltage withstand test could be with such a high voltage?

2276

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what is the responsibility of C license holder in industry?

9104

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at work i have a genertor/alternater what is the easyest way to work out if it is dc or ac?

1840

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how give earthing conection to household equipment?

1964

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working principle a.v.r. ?

2341

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hi i will D.E.E.E.is completed pls send rrb diploma old qustion papaer sent in my e mail. i.d.

2280

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What is meant by a stray loss of a induction motor??? What is the equation to find it

3032

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What is method of calculating the fault current for a MDB, 50KW, 3PH, 415V, 50HZ?

2096

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When and where resistance earthing is used ? How to calculate the time constant for earth fault

1748

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