what is the difference in MCB, MCCB, RCCB, ELCB, & MPCB (motor protection circuit bracker)

12 Answers   Afcons, Bhel, CIHSR, DCS, IOCL, L&T, Lupin, Siemens,

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in 4 pole lap wound dc motor one brush is disconnected then what result in new voltage if its voltage is v volts power is p watts current is i amp

1 Answers   GATE,

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what is the rating of boiler?

4 Answers  

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in a distribution board,if we have a load and we have selected a cable after making all calcs (Deratings and V.D , ect...) the cable we have selected was 10mm.sq. now, shall the internal cable inside the switchboard should be 10 mm.sq Like the external or it can be Less???? if somebody have an specs or information he can help D:

1 Answers  

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transmisssion type

0 Answers  

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why we do occ & scc test in transformer ?how we can do it ?

2 Answers  

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Which addressing mode contains the address for data as a part of the instruction in 8085.

3 Answers   Ecil,

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what is pressure relief valve?where it is used????

4 Answers   Mecon,

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WHY IN AC DRIVES,INPUT PHASE CURRENT SHOW UNBALANCE?

0 Answers   Adhunik,

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what is the function of turbo in dg sets

1 Answers  

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Why induction motor can not be operated at synchronous speed?? what would happen if it is operated at synchronous speed??

5 Answers  

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How we can make sure cable size of LT cable without any parameter.

2 Answers   Paradip Port, Siemens,

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