Answer / k.prakashchandra

Earth fault due to condensation of fog on the insulators

Answer / sunitsaini@interview.com

bcoz due to foggy weather the ions around the conducter can
produce the arc and corona losses are also increase in these
conditions

in trains i have seen the terminal which is connected at the top of the train is positive .where is negative ? track? i dont think so

9 Answers  

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what is pmu

1 Answers   Alstom,

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What are disadvantages of capacitor

1 Answers  

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In what situations relays are used in Circuit breaker? In Above what rating of Circuit breaker the relays are used? Why relays are not used for CB like MCB?

0 Answers   Elektrotek,

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What is double delta conection in AC Motor? And can we done the double RPM of the motor by double delta conection?

1 Answers   vguard,

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If 11 KV breaker on the primary side of a 11 KV/3.3 KV 12.5 MVA transformer can be installed at a distance of 1000 mtrs through a 11 KV cable. If no what are the probable reasons.

1 Answers  

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what happens when a power transformer neutral earthing broken???

11 Answers   MacLellan,

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where does the unbalanced current flow in the delta circuit

3 Answers  

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Where to use pt and where to use CVT

2 Answers  

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why always electric field is linked with magnetic field???

2 Answers   Bhushan Power Steel, NTPC, Tata Steel Limited,

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what happens when we give ac supply to the dc motor?and why?

4 Answers  

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please send me latest & previous years question papers for IOCL Technical level questions

0 Answers  

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