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ECE Objective Questions { Television Engineering }



99.  The arrangement that couples a television transmitter to space is called a/an
A. coupler
B. antenna
C. reflector
D. transmission line

100. In T.V., the picture signal is
A. amplitude modulated and at the low-frequency end of each channel allocation
B. frequency modulated and at the low-frequency end of each channel allocation
C. amplitude modulated and at the high frequency end of each channel allocation
D.

101. The number of frames per second in our TV system is
A.50
B.24
C.25
D.49

102. Interlacing is used in TV frames to
A. produce illusion of motion
B. ensure scanning of all lines
C. avoid flicker
D. avoid Humming

103. The separation of sound and picture carriers in our TV system is ? MHz.
A.5.5
B.4.5
C.6
D.5

104. The maximum swing of the sound carrier in our TV system is ?kHz.
A. ? 10
B.15
C. ? 25
D.28

105. The output stage of a TV transmitter is usually
A. plate modulited class-C amplifier
B. grid modulated class-C amplifier
C. grid modulated class-A amplifier
D. none of above

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