Answer / guest

In 1827 one scientist of German Named Gorge Simon Ohm discover that there is definate relation between voltage,current and resistance in DC circuit thus in other hand we know as ohm's law. This law state that in a closed ciruit the strength of current is dirct proportional to voltage ............so and so.

How much ph is maintained of water resistance starter for slipring induction motor ?

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When we have earthing mesh or underground earthing network in industrial plants, weather we have NT-S or NT-C-S kind of earthing system, so eventually weather we must use 4 or 5 wire in 400 volt level (For example 3×150+70 mm2 or 5×150 mm2) in this connection I would like to know exactly the paragraph of IEC or IEEE number

0 Answers   TATA,

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How to synchoronize the generator (with gcb,GT) to grid????? ????? from Grid iam getting power (rated 400kv/20kv) through GT and its goes to UAT.,,ST.,, now my generator(rated 20kv ) ready.,, now iam closing my GCB.,, in GT iam suddenly giving 20kv on that Gt.,, what will happend

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Why induction motor overheated?

2 Answers   HVCC, Physical Research Laboratory (PRL),

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why HT voltage rating in multiple of 11

12 Answers   ISRO,

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what is the step by step formula for calculating bus bar phase and neutral size of a panel board.suppose the incomer of panel board is 100A..???step by step answer please

1 Answers  

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how to select size of hardware for linking aluminium busbar is it depend on area of busbar or current flowing through bus bar

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How the setting of the vector surge relay shall be calculated when the relay is to be used for Grid islanding application?

0 Answers  

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1. Why a DC motor starter is called 3 point starter

21 Answers   ABB, CG, College School Exams Tests, Crompton Greaves, Infosys, Siva,

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what diferent amoung three phase supply?

1 Answers  

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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

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What is the de rating factor of cable? What is the importance of the de rating factor in cable selection?

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