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

0 Answers  

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what is the switching substation

2 Answers  

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How to calculate the input cable rating for 10kva ups (3phase input and single phase output and also 3phase output, battery rating 65Ah)provide the formula also.thnx

0 Answers   Bhel,

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Why we does earthing for transformer neutral point

5 Answers   amps, DLF,

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What will be in Mahagenco Trade Test Exam? I want to know the same.

0 Answers   MahaGenco,

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why exterrnal C.T. protection is used even though ACB& VCB is having inbuild C.T. protection?

2 Answers  

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what is the KVA formula of a three phase transformer

5 Answers  

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Why does capacitor block dc supply?

5 Answers   Bhel,

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what is the difference between isolation and insolation ? please explain in detail with example.

5 Answers   ABB,

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12.5 KVAR capacitor 440V gas filled, Its used for windmill purpose, How can i know about microfarad value for this capacitor

2 Answers  

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in a solar power plant,we are going to step up the voltage 350V to 33kv, and to 132kv GSS. i want to ask that if it is possible that 315v/33kv is not possible because we also use 315v/11kv. or it should be 415v/33kv? is it effects generation or losses?  the second question is-generation is depends on LV winding? or LV winding design for generation voltage?

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why we use the fuse in only one wire? althrough in ac current the current flows in both directions. why the neutral wire can be taken half the magnitude of phase wire while same current returns from neutral wire?

2 Answers   Bhel,

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