Television Engineering MCQs

Question 1

The line frequency of TV system in India is

Accepted Answer

15,625 Hz

Answer

50 Hz

Answer

625 Hz

Answer

15,750 Hz

Question 2

In TV if there is no brightness but sound is normal, the trouble could be in

Accepted Answer

horizontal oscillator

Answer

R.F. amplifier

Answer

vertical oscillator

Answer

none of the above

Question 3

Equalizing pulses in TV are sent during

Accepted Answer

vertical blanking

Answer

horizontal blanking

Answer

the serrations

Answer

the horizontal retrace

Question 4

In TV system

Accepted Answer

picture is A.M., sound is F.M.

Answer

picture is F.M. sound is are A.M.

Answer

picture and sound both are A.M.

Answer

picture and sound both are F.M.

Question 5

In TV system the frame frequency is

Accepted Answer

25

Answer

100

Answer

60

Answer

50

Question 6

In India the width of one channel is

Accepted Answer

7 MHz

Answer

1 MHz

Answer

2 MHz

Answer

5 MHz

Question 7

For a particular channel if the video carrier is 62.25 MHz, the audio carrier will be

Accepted Answer

67.75 Mhz

Answer

56.75 MHz

Answer

57.25 MHz

Answer

65.75 MHz

Question 8

In a TV which of the following stages has AGC bias?

Accepted Answer

RF amplifier

Answer

Mixer

Answer

Local oscillator

Answer

A.F.T. discriminator

Question 9

In a TV the voltage given to deflection coil is

Accepted Answer

trapezoidal

Answer

sine wave

Answer

square pulse

Answer

saw tooth type