at the time of starting back emf of a motor is zero.so how can it will start to run??

1 Answers  

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why capacitor bank is not used in generator power

7 Answers   Caterpillar,

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what is dyn 11

3 Answers  

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How to calculate no of Lighning arrestors are required for protecting 50mX 50m*20m cubical building and locations of LA?

0 Answers   HAL,

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What is LOP Sensor in DG??????

7 Answers   Emerson,

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Hi Friends pls give information regarding BARC written test. am attending by 20-5-2008. mail me to kkumarei@gmail.com or message to 9962122264

2 Answers   BARC,

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Questions :- HR- Q.1 about yourself & family background ? Q.2 Why u choose Power sector as ur carrier starting not any other sector ?? Q. 3 What think abt NTPC ? Techincal Questions:- Q.1 about Vocational Training……What u did , see the main equipments….etc Q.2 Why a transformer Noise during its running condition ? Q.3 about transformer oil material & Test name for the measurement of its dielectric strength & wht will u do if its dielectric strength goes low ? ……..some discussion type ? Q.4 What is relation between transmission lines & Communication lines ? Q.5 Which Machine u will prefer to use at a place where flammable gases are coming out & why ? Q.6 how fault in an electric system is detected & hw protection of equipments is done ? Q.7 Why we didn’t feel electric shock in an electric train ?? Q.8 Anything u want to ask from us ??

44 Answers   Akona Engineering, Bhel, BSES, Cranex, DRDO, JCB, NTPC,

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What happen if LV supply is fed to a HT motor?

19 Answers   ITC Infotech, Jindal,

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electric contractor ya contactor kia hota hy ? or kesy connect kia jata hy ?

1 Answers  

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What is the difference between SSR drive& AC drive?

1 Answers   ITC Infotech,

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the circuit having same properties in either direction is known as.......

2 Answers  

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is there any current flows in our body?

4 Answers  

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