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ECE Objective Questions { Television Engineering }



113. Mark to wrong statement :In Indian TV broadcasting system
A. frame rate is 25 per second
B. field rate is 50 per second
C. horizontal line-scanning frequency is 15,627 per second
D. vertical line-scanning frequency is 25 per second

114. The maximum definition in a TV picture depends on
A. the number of scanning lines
B. the bandwidth of transmission channel
C. aspect ratio
D. both (a) and (b)

115. The best viewing distance for a TV picture is ____ times the picture height
A. 2 to 4.
B. 4 to 8
C. 8 to 10
D. 10 to12

116. The components signal are
A. camera signal
B. blanking pulses
C. sync pulses
D. all of the above

117.  Sync pulses transmitted during vertical blanking period include
A. equalizing pulses
B. serrated vertical sync pulses
C. horizontal sync pulses
D. all of the above

118. When commonIf stage in a TV receiver is cut-off, the result is
A. no picture
B. no sound
C. no sound but normal picture
D. both (a) and (b)

119. If the If stage after the sound take-off is cut off, the result is
A. no picture
B. no sound
C. no picture but normal sound
D. no sound but normal picture

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