Explain UPS

1 Answers   Powerica,

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what is the difference between the diode and the rectifier

17 Answers   Avalon, L&T, Mahacol Trexim,

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In a carnot engine with an efficiency of 40%, the heat rejected to the sink at 27 C is 60 kJ, then the heat supplied in kJ to the engine by the sources is

0 Answers   Caterpillar,

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why we use condenser in the thermal power plant, althrough the same vapour will be again heated

2 Answers  

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waht is the working principle of saft starter & what is the difference in vfd & saft starter

2 Answers   Cipla,

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what is the prosses for getting of 33kv licence (i have completed my engineering degree & working in 33kv substation for contract basis )????

0 Answers   Surana,

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how much insulation resistance 11kv & 33kv under ground cable between earth to phase & phase to phase.

4 Answers   Siemens,

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Is a 300w induction motor used in a food processor as powerful as a 1000w DC motor.

0 Answers  

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what is the difference between MCB & MCCB

3 Answers  

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when voltage increases then current also increases then what is the need of over voltage relay and over current relay? can we measure over voltage and over current by measuring current only?

1 Answers  

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where is used dc volage transformer,and what is highest capacity of transformer

2 Answers  

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what are the units of cable insulation?

3 Answers  

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