how circuit breaker work.. what is the operations taking place inside a circuit breaker when an overcurrent occurs... is it similar to fuse?

0 Answers   LTT,

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y r manufacturing fan is running into clockwise direction?y they can made in anticlock direction?pls give rply/ venkat.gattupalli@gmail.com pls send to my mail....

1 Answers  

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how many types of colling system it transformers?

8 Answers   ONGC,

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Instrument connected to a single phase supply

0 Answers   Alstom,

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To test Transformer we give HT side 440V to see wheather that it is producing 17.6V on LT to verify Voltage ratio is correct or not but when we give the 440V voltage to LT side then what will happen to HT voltage ?

3 Answers   Aditya Birla,

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if the back emf eqution for dc motor EB=(QPNZ/60A) THEN what is the value of A for PMDC MOTOR OR how can dicide the value of "A"

2 Answers   BSL,

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In Which vector group power transformers are mostly manufactured?

1 Answers   MRF,

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Why is negative feedback invariably preferred in closed loop system?

0 Answers  

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which circuit breaker enclosure is best for maintenance guy? 16 bolt & 20 bolt squre or 16,20 bolt hinge

2 Answers  

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What is DTR erection?

0 Answers  

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if there are six generators (3 gas CATT, one Jenbacher o1 MW each, and two nos Diesel 01 no 01 mw other 0.65mw EDGs ( say), 3 CAtt gas set have identical pole pitch,01mw EDG and Jenbacher gas Set have different pole pitch, how their power connection can be done to connect a common bus bar during installation. in short, how different pole pitched generators power connection can be done to connect a common busbar system through generators incomer ACBs.

0 Answers  

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The series field winding has low resistance while the shunt field winding has high resistance. Why?

0 Answers  

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