why we usually call 415 volts instead of 440 volts

3 Answers   S Tech,

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What is the difference between diode and a transistor in terms of the direction of current flow?

0 Answers  

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on what priciple transformer works on?

5 Answers  

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Explain about 3 phase motor fault current calculation with examples?

0 Answers   QTC,

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What is In (current rating) shown on the MCCB? Is this full load which can withstand by the circuit breaker

4 Answers  

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what is mean by ideal infinite bus? why it is required to consider in fault short circuit calculations?

0 Answers  

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Is potential difference materials property ..? if yes tnen how.. explain brifly.

0 Answers  

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How can we decide the fualt levels of sub-stations?

2 Answers   Bhel, Enercon, Prakash Industries,

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How to calculate multiplying factor of dc energy meter

0 Answers  

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how to decrese the PH value of liquid resistance?

2 Answers   ONGC,

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what are the importance of earthing?list different types of earthing.

1 Answers  

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What is the function of NER and NET?

0 Answers   Asian Paints, GHH RAND,

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