Television Engineering MCQs

Question 1

The DC component of a video signal corresponds to __ in the image.

Accepted Answer

back ground illumination

Answer

Maximum illumination

Answer

contrast

Answer

detail

Question 2

The de-emphasis network consists of a/an

Accepted Answer

integrating circuit with a timeconstant of 75 l.t sec

Answer

differentiating circuit with a time constant of 75 11 sec.

Answer

differentiating circuit with a time constant of 75 sec

Answer

Integrating circuit with a time constant of 75 sec.

Question 3

Y-signals are also called------signals

Accepted Answer

luminance

Answer

chrominance

Answer

multiplexed

Answer

color-difference

Question 4

A Y-matrix consists of

Accepted Answer

a resistive mixing network

Answer

a capacitive-divider network

Answer

an inductive mixing network

Answer

two turned transformers

Question 5

A color burst consists of at least

Accepted Answer

8 cycles of 3.579545 MHz voltage

Answer

8 cycles of 4..5 Mhz voltage

Answer

60 cycles of 45.75 MHz voltage

Answer

60 cycles of 15,750 Hz voltage

Question 6

A color TV receiver employes a ------- picture tube

Accepted Answer

three color

Answer

one color

Answer

two color

Answer

three color & black and white

Question 7

Compatible operation means that

Accepted Answer

TV color broadcasts can be accepted by a black and white receiver and black and white TV broad casts can be accepted by a color receiver

Answer

television sound can be reproduced on an FM receiver

Answer

television sound can be reproduced on an AM receiver

Answer

TV color broadcasts can bereproduced in color by a black and white receiver

Question 8

A color TV camera contains ___ camera tube (s)

Accepted Answer

three

Answer

one

Answer

two

Answer

four

Question 9

Chroma demodulators process the ____ signal

Accepted Answer

chroma

Answer

video IF

Answer

sound IF

Answer

audio