Answer Posted / sreenu

For Aluminum bus bar, multiply 0.6 X breadth X thickness to
get current carrying capacity.

For copper bus bar, multiply 1.2 X breadth X thickness to
get current carrying capacity.

how maney type tempereture measurement ?

2201

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If any HVDC line is going with positive & negative(the negative usually have return path of current with earthing electrode). Now the question is if this HVDC earthed electrode which is using as return path and earthed any nearby 400kv or 220kv AC substation equipments. which will be the impact of this on AC substation & its equipment, how severe may be this and what should be the minimum distance require between HVDC earthed electrode and AC substation equipments? It's really an high engineering level question...Dare to answer and increase your knowledge.

1838

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Is it a better option to procure screw type air compressor rather than reciprocating air compressor?If so, what is the reason?How should we select an air compressor(100 CFM)? Please mention the important parameters of air compressor.

1922

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would you please give me any idea about the BARC interview question on electrical? i have an interview on 1st july.....plz hlp me.......its urgent......

2409

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Work done in a free expansion process is

1099

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in an electronic tri vector meter when the current and voltage sequence changes ? what is the effect of phase sequence on recording of meter

2163

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write encoder 17 pins details? pin a;b+, pin b;w+,..pin s & t. what is the meaning of b+, w+? explain;

2101

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Explain RLC circuit?

1121

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State magnitude criterion.

1057

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Pl. brief about break-down maintenance of machine tool.

1745

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Why squirrel cage motor can only use with low starting loads ?

1993

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what are inductive and capacitive voltage transformers.what are their applications

1900

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why Lightening Arrester Probe sharp at Top of telecom tower.

1500

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What is force on a conductor in a magnetic field ?

1015

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What is power relay?

1183

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