Television Engineering MCQs

Question 1

In TV to eliminate ghosts in the picture

Accepted Answer

antenna orientation should be changed

Answer

a booster should be connected

Answer

longer transmission line should be connected

Answer

none of the above

Question 2

A snowy picture indicates that the trouble is with

Accepted Answer

none of the above

Answer

antenna direction

Answer

excess AGC vertical amplifier

Answer

RF amplifer

Question 3

In India sound IF is

Accepted Answer

33.4 MHz

Answer

31.45 MHz

Answer

38.9 MHz

Answer

41.5 MHz

Question 4

In India picture IF is

Accepted Answer

38.9 MHz

Answer

33.4 MHz

Answer

40 MHz

Answer

49.8 Mhz

Question 5

In all channels for TV, the sound IF is

Accepted Answer

5.5 MHz

Answer

0.5 MHz

Answer

1 MHz

Answer

4.5 Mhz

Question 6

The width of a TV picture tube of 20" size is nearly

Accepted Answer

16 inches

Answer

10 inches

Answer

12 inches

Answer

14 inches

Question 7

The height of a TV picture tube of 20" size is

Accepted Answer

12 inches

Answer

10 inches

Answer

16 inches

Answer

20 inches

Question 8

An odd number of lines per frame forms part of every one of the world's TV systems. This Is

Accepted Answer

done to assist interlace

Answer

(p) purely an accient

Answer

to ensure that lines and frame frequencies can be obtained from the same original source

Answer

done to minimize interference with the chroma subcarrier.

Question 9

For 51 cm size TV the voltage required for picture tube of the order of

Accepted Answer

15 KV

Answer

440 V

Answer

1 KV

Answer

10 KV