Answer / d.sanadi

Type of the gas used in the lamp. Intenisty of metal halide
is quite higher compared to mercury.

what is cogging in motors?

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What is Surge arrest? How it work?

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When do you use a VFD motor?

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Is there any thumb rule for cable selection for any current rating ?

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If a manufacturer decribes a power supply transformer as providing a secondary voltage of 24 volts when connected to a 240 volts supply, do you think they are refering to the full load or no load secondary voltage?

3 Answers  

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30 kva ups may kitne output voltage hote h

1 Answers   ME,

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what is diff kav & kvarh?

3 Answers  

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how to interlock 2 incomer,1 buscoupler MCCB,like we interlock an ACB... pls answer this question and if possible send me the ckt diagram..

2 Answers  

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What is a Phase shift meter? Where can I get one?

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What is eddy current & eddy current loss ?

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What is technical difference between ELCB & ELMCB?

3 Answers  

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why power factor laggs and leads in case of inductance and capacitance??

1 Answers  

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