Answer Posted / shariff

It is the standrad maintained by the utilities and there is
no technical reason for that... It can be transmitted or
distributed to any vg levels with use of the transformers
of that rating.. but due to huge investment and already the
system is standradised so the same were maintained.

what rectifiers is and what are the types of rectifiers?

1152

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XYZ

2143

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I am going to appear for the RRB Chennai junior Engineer online exam. Please send me the previous exams question papers (also solved) to my mail id: rrkhandhar@yahoo.com

1999

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why generator efficiency is more in swinburnes test?

2208

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Zone of protection and tripping scheme of arc protection relay.

1871

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what is accuracy ? in any meters , coils accuracy . how can u defined that ?

2420

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why not starting switch first connect in direct on line starter?????

1934

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What is depreciation factor?

2268

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We have two parts in generator, electrical & mechanical. how it works?

1965

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When semiconductor fuse does save thyristor in each cycle of conduction? Why under voltage setting keep less in SPRS and more in DC drive?

2093

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what is the relation between knowing of the distance between power transformer and the capacitor feeder in case of parallel operation

1995

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Draw a SLD for main panel for school having connected load of 1200kw and emergency generator 200kw.also show the increase of additional load of chiller 225kw in the lv panel indicating meter postion size of transformer ,cables and capacitor bank.

976

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what is size of 3phase 4wire cable to be used for 11 ton ductable A.C and how to calculate cable size for different load

4024

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In Plumbing services What are accessories we consider for a bathroom?

1995

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Dear Brother can u tell the proper size selection of cable & the fault level calculation of braker, busbar etc. pls mail me at azeemk30@gmail.com

1928

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