Television Engineering MCQs

Question 1

A color intensity control operates on the basis of varying the

Accepted Answer

amplitude of teh chroma-signal

Answer

phase of the subcarrier-oscillator output voltage

Answer

phase of the chroma-signal

Answer

amplitude of the color burst

Question 2

According CCIR standards horizontal scanning frequency is

Accepted Answer

15,625 Hz

Answer

15,750 Hz

Answer

50, Hz

Answer

60 Hz

Question 3

Time taken by the electron beam to scan one complete line in CCIR standards is

Accepted Answer

64 us

Answer

63.5 pis

Answer

0.02 s

Answer

none of these

Question 4

MONITOR is

Accepted Answer

a TV receiver without tuner and IF sections

Answer

the name given to ordinary TV receivers used for monitoring purposes at the TV station

Answer

a colour TV receiver

Answer

none of these

Question 5

Insufficient horizontal gain in a TV receiver may result in a raster with

Accepted Answer

reduced width

Answer

a vertical line

Answer

recuced height

Answer

poor brightness

Question 6

Insufficient vertical gain in a TV receiver may result in a picture with

Accepted Answer

reduced height

Answer

reduced width

Answer

a horizontal line

Answer

poor vertical resolution

Question 7

Frequency standards followed in America are those as suggested by

Accepted Answer

Federal Communications Commission

Answer

International Radio Consultative Committee

Answer

Radio Corporation of America

Answer

none of these

Question 8

Retrace of electron beam is

Accepted Answer

very fast

Answer

(c) very slow

Answer

as fast as the trace

Answer

none of these

Question 9

In a television system, one frame contains 525 lines and vertical scanning frequency is 60 Hz. In such a case, the trace period is

Accepted Answer

63.5 pis

Answer

64 is

Answer

52 is

Answer

none of these