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

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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)

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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

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

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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

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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)

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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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