what is ground fault in ACB?

0 Answers  

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Why Humming noise originated in Starter motor and how it was generated ?

3 Answers  

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Why  we are always  only used 11 kv.  , 22 kv ,33kv      in transmission line? Why not use 25,  55 ,65 kv ?

3 Answers   Khidmah LLC, Precision Camshafts Limited,

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100V supply is appllied between 500K Resistance bulb. for 1 kwh energy, how long time the bulb will glow? explain the calculating method.

3 Answers   Bhel,

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Its possible to use 3core 2R of 240 sq.mm cable for 3phases & separely 50sq.mm 3core cable fully for Neutral for connection of PCC to MCC 3ph..4wire system?

0 Answers  

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What will be the current after disconecting the bus bar or cable before discharging ?

2 Answers   Sodexo,

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What are the advantages & disadvantages of a group electrive drive?

0 Answers  

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what is the simple meaning of harmonics?

4 Answers  

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how to calculate the size of cable tray

3 Answers  

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What is the role of power pack in substation protection system?

0 Answers   Facor,

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We in my plant one of the transformer showing neutral to earth voltage is 22V how to solve it

3 Answers  

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please send me previose rrb junior engineer qustion papers

0 Answers   RRB,

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