Answer / mubeen saifi

White colour LED is possible. By combining blue,green and
red colour LEDs in one shell. And by maintaining an optimum
temperature because temperature is responsible for colours
on Kelvin scale.

Why the wave trap is put in Y phse only in switchyard?why not in other phases?

1 Answers   IAG Automation, REL,

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WHAT SHOULD BE THE MINIMUM IR VALUE FOR LV (380V) CABLES ACCORDING TO IEC/IEEE.

3 Answers  

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what are the protections used in power transformers of 5 mva and above

2 Answers   ESRI,

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what is meant by PU value ? anyone can you explain briefly to me ?

3 Answers  

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can anyone give an idea about dia calculation in cold rolling mill

0 Answers  

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iam working in power plant. In hot places tube lights are glowing at the end portion only. what is the reason for that?

0 Answers  

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how much rating of fuse and MCB should be used for a load consisting of 6KW and 18KW inductive load?

1 Answers  

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How voltage step down is done?

3 Answers   IOCL,

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In a parallel circuit dc circuit with two resistors, if you know the voltage, amperage, and one resistors ohms, what formula is used to find the second resistors ohms?

6 Answers  

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Why the high starting current does not harm the low capacity induction motor?

1 Answers  

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In electrical locomotive engines, the DC series motors is being used as traction motor. But in new engines like in WAP7 & WAG9 the 3-phase squiral cage induction motors has replaced them. So can someone tell me the advantages of induction motor over dc seris motor in engines points of view....???

0 Answers   RRB,

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what's burden resistor, why it's used?

1 Answers   Bhel, TVS Group,

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