All tape of electrical questions Answers tape of motor transformer e.o.t crane

0 Answers   Afcons, Honeywell, Manlift, SIMS,

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If an electrical component has a positive temperature coefficient, how come such components have high power losses due to heat if current decreases when resistance increases? assuming power given by I^2*R whereby the Resistance is infinite.

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Can anybody post questions asked in Engineers India Limited Interview? Thanks in advance.

0 Answers   Engineers India Limited,

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Is better to supply the voltage for static exciter from the auxiliary power source or from the SG terminals? And why?

0 Answers  

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In an electrical conductor, if current flows because of flow of electrons, then why not the conductor gets thinner day by day???

1 Answers  

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How to Prepare preventive maintenance shedule of machine tool.

0 Answers   Concast,

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I have 480V Single phase and I am trying to figure how big of a transformer (KVA's) and Primary breaker size I need to provide 200 Amps at 240V for a building.

1 Answers   Wipro,

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working principle a.v.r. ?

0 Answers   Gem Sugars,

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volts=230 c=10mf a=??

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What is the principle of residual protection?

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in parallel operation of power transformer why the distance between power transformer and capacitor bank feeder is necessary to know

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How supply comes to your home?

3 Answers  

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