Answer Posted / antony

all answer

i have applied for the post of RRB section engineering chennai board please send me previou papers and solved answer. my mail id jagarapusrinivas@gmail.com

1978

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for a 400kv t/m line with 10 ampere current will corona occur?

2196

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How Can I calculate for the photometrics requirements for a street lighting? Data given are: 45 units of 6 meter light pole with 150 watts metal halide lamp, 220 volts and installed in a promenade area.

2098

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In parallel operation time both NGR’s close or not close if both close what will happen

3734

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Parts of machine and their discription in details with suitable photo

2063

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

2151

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How to calculate the Harmonics losses in terms of cost/unit.

2031

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what is the use of current transformer in power transformer secondary side.?its connectyed in WTI

1728

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I have 2 KW electric water heater.I am gonna use it in controlling water temp.so I needed to increase or decrease the heating capacity.is there any electrical-electronic circuit for varying the resistance & so current?

3295

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what is the function and use of cable differential protection relay?

2916

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sir my exam is on 19/6/2013 under electrical branch pls send me sample aptitude questions as well as sample technical questions for jindal steel and power company

2278

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what is meant by LCR meter? where its useful ?

2053

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What do you mean by reach and reach the point of the relay?

1264

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Draw the circuit of clapp oscillator?

1144

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regarding safety what would u consider the most important rules to observe when inspecting electrical equipment?

2056

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