A Best Way To Crack Gorenment Job Exams

ECE Objective Questions { Television Engineering }



29. To cut-off a transistor for trouble-shooting purposes, we should
A. short the base and emitter
B. short the base and collector
C. either (a) or (b)
D. none of the above

30. In a TV receiver set, sound and video signals are separated at the
A. video detector
B. video amp
C. sync separator
D. IF stage

31. The vertical and horizontal pulses in a TV set are separated at the
A. AFC
B. sync amp
C. sync separator
D. AGC

32. When in a TV receiver set, both sound and picture are weak and distorted, the problem is most likely to be in the
A. AFC
B. FM detector
C. tuner
D. video amp

33. When a weak TV picture is accompanied by normal sound and bright raster, the probable fault lies in
A. AGC
B. video section
C. AF amp
D. sync amp

34. Lack of raster in a TV receiver set often indicates no
A. TV signal
B. video signal
C. AGC
D. high voltage

35. If picture in a TV monitor is snowy in appearance, the defect is likely to be in
A. tuner
B. antenna cable
C. RF amplifier
D. any one of the above

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