Answer Posted / karthick

dc machine can be identified by commmutator and bold net
arrangement


ac an be identified by slip ring or brush arrangement

An ELHNC 80amp 240v 30mA RCD is tripping periodically, every 30 - 180 seconds is it safe to disconnect the protection circuit?

2143

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What is accuracy of a measurement?

1137

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If we want to change a contactor of faulty one what are the conditions want to fullfil

1978

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how to increase senstivity of ct

2418

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Don't you have similar question banks related to Oral Certification Examination conducted by Mercantile Marine Departments / Directorate of Shipping, Ministry of Shipping for Electro Technical Officer?

1663

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what is negative and zero impedance in 3 phase induction motor ??

2165

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Write a note on materials used as a fuse element.

2119

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In India the supply voltage is 230 volt A.C. During the negative half cycle phase becomes neutral and neutral become phase? or what will happen during negative half cycle? how the electrons flow during positive and negative half cycle?

2005

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what is a bus riser in power system and why it is used

46177

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why Lightning arrestor are made by 2 seperate stack of inslutor but why cvt are in single stack of insulator.

1971

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Hi,I am working in abroad for more than 3 years in a company operating with 11kv and 6.4 MW power. I need c licence in India,can I? some other says only i can get if i work for 2 years in india only! anybody kindly clarify by doubt.Thanks

1846

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How the capacitance og capacitor volatage transformer is decided?

1962

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I am going to appear for the RRB Chennai Section Engineer online exam. Please send me the question papers from 2001 to date to my mail id:upendrakrishna20@gmail.com,plz send me ,or send any other rrb papers plzzzzzzzzzzzzzzzzzz

2077

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Load transfer in 11kv double busbar switchgear - operation.

1945

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Electrical 'C' license full abbreviation , and full form

1877

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