0 Answers   TATA,

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the inertia constants of two machines are respectively 30and 42 MJ per MVA.when the change in frequency due to change in load in first machine is 12 Hz,the change in second machine frequency will be?

1 Answers  

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why phase to phase voltage are 290 rather then 440?

1 Answers   Bosch,

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Why do we choose 33kV transmission for industrial purpose and 11Kv for township?

1 Answers  

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what is active power and rective power and power factor

1 Answers  

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what happend to DC shunt motor if its field winding insulation becomes slightly weak? will that motor can run on full load or not explain in detail. thanks

0 Answers   PCL,

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what happens when a DC supply is given to AC motor?

9 Answers   Areva, ISMT,

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how induction motor work as a generator?

2 Answers  

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plz tell me in detail about c.t. and p.t. ?

3 Answers   Reliance, SCL,

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does meager test perform on lightning arrester ? if doesn't then why ?

1 Answers  

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Is it possible to get earth resistance value"zero" Ohm practically??? If yes,which type of earthing???

9 Answers   TATA,

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What should be the minimum and maximum ohmic value for earthing?

2 Answers  

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