Television Engineering MCQs

Question 1

The demodulation of the sound signals in a TV receiver is accomplished by

Accepted Answer

discriminator

Answer

linear detector

Answer

product detector

Answer

envelope detector

Question 2

The service area of a TV transmitter for satisfactory reception is determined by ? zone.

Accepted Answer

line-of-sight

Answer

diffi-action

Answer

tropospheric

Answer

regional tropospheric

Question 3

The service range of a TV transmitter is determined by the height

Accepted Answer

and gain of the transitting and receiving antenna and power of the transmitter

Answer

of the transmitting aerial

Answer

of the transmitting and that 'receiving antenna

Answer

of the transmitting and that receiving antenna and power transmitter

Question 4

The function of the serrations in the composition video waveform is to

Accepted Answer

hele horizontal synchronization

Answer

equalize the charge in the integrator before the start of vertical retrace

Answer

help veritcal synchronization

Answer

simplify the generation of the vertical sync pulse

Question 5

The gain of a simple half-wave dipole over an isotropic radiator is of the order of ?dB.

Accepted Answer

2

Answer

6

Answer

7

Answer

8

Question 6

The number of active picture elements in a television image depends on

Accepted Answer

receiver bandwidth

Answer

flyback time

Answer

CRT screen size

Answer

FB ratio of receiver antenna

Question 7

A 'flying-spot' television camera is used for

Accepted Answer

television stillpictures

Answer

imaging flying objects

Answer

picture taking by satellites

Answer

television motion-picture films

Question 8

The TV camera used for live TV transmission is known as

Accepted Answer

image-orthicon

Answer

vidicon

Answer

ortho-vidicon

Answer

image-vidicon

Question 9

The video voltage applied to the picture tube of a television receiver is fed in

Accepted Answer

between grid and cathode

Answer

between grid and gound

Answer

to the yoke

Answer

to be anode