Television Engineering MCQs

Question 1

The linear speed of a 2" quad. video tape recorder in current use is of the order of ___ cm/s.

Accepted Answer

38.7

Answer

19.05

Answer

9.5

Answer

4.75

Question 2

Basically, a picture detector is

Accepted Answer

demodulator

Answer

an IF-video coupler

Answer

power rectifier

Answer

ratio detector

Question 3

The dc component of a video signal corresponds to in the televised scene.

Accepted Answer

background illumination

Answer

maximum illumination

Answer

picture contrast

Answer

picture details

Question 4

The peak-to-peak value of picture detector output voltage for optimum picture and sound reproduction is about volt.

Accepted Answer

2

Answer

5

Answer

10

Answer

0.25

Question 5

In most cases, malfunctions in AGC system are caused by

Accepted Answer

deteriorated electrolytic capacitors

Answer

defective inductors

Answer

too short time-constant

Answer

AGC detector

Question 6

AGC bias voltage is never applied to

Accepted Answer

sound-IF section

Answer

IF section

Answer

RF section

Answer

both IF and RF sections

Question 7

The chief superiority of keyed AGC system is that it does not utilize

Accepted Answer

vertical sync

Answer

blanking

Answer

equalizing

Answer

horizontal sync

Question 8

The picture tube employed by a colour TV receiver is

Accepted Answer

three-colour

Answer

one-colour

Answer

two-colour

Answer

B & Wand three-colours

Question 9

The three primary colours are

Accepted Answer

red, blue, green

Answer

red, green, blue

Answer

red, orange, blue

Answer

red, black, green