General - other BHOPAL - 27 December 2006 Paper - 1

ENERCON PAPER ON 27th DECEMBER AT BHOPAL
paper was having 3 descriptive question ---

1. what is chopper ,ckt,waveform,function and application
2. what is invereter,ckt,waveform,function and application
3. what is bridge rectifier,ckt,waveform,function and application,
(total -9 marks)

2nd section was fill up
1.star delta
2.open xmer winding
3.mosfet is
4.reagarding pole of motor
(totaln 6 marks)

3rd section was of 4 marks
alternative simple but basic electical

4 th section was of 11 marks
match the following