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Electronic welding machine separate earthing provided or not?

what is the difference between LATCH and FLIP FLOP

4 Answers   Wipro,

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how can maintain the power factor and why and this is how do work tell us

1 Answers   Wipro,

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what is REF relay?

1 Answers  

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why inductancce of armature inductance of dc machines is neglected?

2 Answers   APPSC,

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what is the min and max ohmic resistance for the earthing rod installed for lighting poles for street light network

2 Answers  

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what is work of CTPT in 33/11kv Substation

1 Answers   Fiat,

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why dc supply is not applied for step up or down in transformer

3 Answers  

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I know during Surge Impedance Loading maximum power is transferred through a transmission line and also Sending end voltage becomes equal to Receiving end voltage i.e Vs=Vr so my question is if both end voltages are equal then how current travels in such line hence how power is transmitted because flow of current needs Potential difference??

3 Answers   NTPC,

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How many types of lightings are there

2 Answers   ABB, Met Trade,

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how many units (kwh) are there if in one MW?

5 Answers  

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Why NGR is provided in sub station?

4 Answers   MMS,

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How will A Medium voltage circuit breaker(11 kV voltage level) operate under short circuit fault condition whether It is having short circuit release like Low voltage circuit breaker or relay should be given?

1 Answers  

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