how ups works ? various parts of ups and working principle

0 Answers   Serco,

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How to specific gravity of battery will check, i didnt saw any hydrometer. & say me how to dip into the battery what are the specifications are given in the hydrometer?

1 Answers  

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what happen if transformer neutral not earth

2 Answers  

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List of equipments required foe industrial repair lab.

0 Answers  

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how tubelight circuit is connected and how it works?

7 Answers   Punj Lloyd Ltd,

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What is the value of system voltage?

2 Answers   Bhel,

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what is the cable size we can use for 11kv and 33kv ?

3 Answers  

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Can I use 1 phase power supply to run 3 phase motor? If yes, how?

6 Answers   Enercon,

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what are the various types of earthing? plz give brief detail of all. also post pictures if u have.

22 Answers   Aster Teleservices, Era Infra Engineering, Micron Electricals,

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what is RCBO?

1 Answers  

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A synchronous machines has higher capacity for (1) Leading power factor (2) Lagging power factor (3) Does not depend upon the power factor of machine (4) None of the above

3 Answers   JSW,

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how does the power is travelled in conductor

2 Answers  

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