what is the working principle of contactor and conditions of normal open and normal close on it?

3 Answers   EEE,

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the fuse is use for protection against overcurrent but at normal condition it carry the rated current then how single thin wire carry this current without melting

1 Answers  

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Why Dyn11 Transformer is selected for distribution transformer?

3 Answers   JK Associates, MSETCL Maharashtra State Electricity Transmission Co Ltd,

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i need about 10 years of GATE solved papers in pdf format and even mock tests toooo

0 Answers  

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what is the difference between Earthing,Grounding and neutral?

3 Answers   Biocon, Tata Steel Limited,

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what is the name of transformer oil.

15 Answers  

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Please tell me what is the difference between online UPS & OFF line UPS?

2 Answers   HAL,

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how do we calculate length of starting time and repeated starting of a direct online starter?

0 Answers  

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if its possible for step up or step down DC volage directly ? possible means how we can do it ?

5 Answers  

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Why dnt we generate 5-ph or 7-ph supply like as 3-ph supply

2 Answers  

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which relay is used for both detection & correction?(there is only one relay)

2 Answers  

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How to check the efficiency of the generator , air compressors.

1 Answers   CIL,

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