Answer Posted / shekhar

transformer doesn't change the waveshape it just changes its
value and also frequency remains same so obviously output
would be square wave with changed value depends on
transformation ratio

Why does amplifier gain reduce?

1020

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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?

2293

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Give idea about General Engineering. From which book i can study this topic. Pl. reply me via email. My email is ravi@bhelhwr.co.in, also give the name of book/website, from where i can prepare it.

2027

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what is different between relay and plc?

5558

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how copper and aluminium wires or cables are choose for current rating? please provide copper and aluminium wire selection chart for different current rating ?

1986

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What is conventional thermal current (Ith)

4388

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what is transient voltage?

2208

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What are the causes of having an rmu explode after installation? And how do u treat the bushings of an rmu?

2461

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how to calculate percentage impedence at 75 deg C at normal tap

2225

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1)we have 1000 cfm Blower,Dia-1Mtr,Velocity of air 94 m/s 2)We have Natural Air velocity 94m/s 3If i Put Wind Mill in natural air ,speed is 94m/s Then it will generate Assume 100kw 4)If i put same wind mill across the Blower,air speed is same 94m/s now the Question is Will it generate 100 kw?

1955

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what do w do when the output of generator is fluctuating?

2190

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Why squirrel cage motor can only use with low starting loads ?

2008

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What are the raitings of Mcb,mccb and Acb in detail ??

1571

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what is settable hystersis protection? If any body knows plz kindly post the answer..

2008

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Please send 110 kv sb station full single line drawing(sld)

2431

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