How you calculating the current for a 2.5 Sqmm cable. A 30 Hp 3 phase AC motor of power what size of cable is used for this motor.

7 Answers   Siemens,

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respetsed sir, i have applied for section engg and juniour engg for both chennai and tiruvunabthapur boards for electrical deportments . can u suggest what books i have to follow and and also from which sections they r going ask (i mean weightage and what topics i have to cover) for both se and je for both chennai and tiruvunanthapur boards.......

1 Answers  

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in which direction real power and reactive power flow and why???????

3 Answers  

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what do you mean by lagging and leading current.explain in detail.

1 Answers  

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What type of surgery impedence with 200ohs 

1 Answers  

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difference between moore and mealy model

2 Answers   Google, IBM, TCS,

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Is there any Flood lighting system which produces more light (More power consumption 1000W,400W etc.,), white light and restart immediately after power restoration ?

1 Answers  

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In liquid rotor starter how PH valve should be maintained.

1 Answers  

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how will you find out the fuse failure by remote operation?

1 Answers  

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If the capacity of water Tank is 50000 Liters situated at 20 meters height from ground level,What would be the size of pipe and how much USGPH water will be supplied and what will be the motor or pump rating used for this work?Illustrate by showing formula?

1 Answers  

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What device is use for metering current at lt consumer end..??

2 Answers   Power Grid,

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1)Why electric shock is feel ?? n in a Electric Train why we didnt feel that ? 2)What is the reason for transformer Noise ?? 3)What is relation b/w Transmission Lines & Communication Lines ? 4)Which material is used for making Transformer oil & How u measure its dielectric strength & Name the test ?

14 Answers   NTPC, Tata Power,

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