Television Engineering MCQs

Question 1

An RF amplifier stage in a radio receiver noise-limited sensitivity.

Accepted Answer

improves

Answer

deteriorates

Answer

has no effect on

Answer

Amplifiers

Question 2

Medium waves in day time are propagated via

Accepted Answer

ground

Answer

ionosphere

Answer

troposphere

Answer

A is

Question 3

On a clear sky day, the atmosppheric radio noise is strongest

Accepted Answer

during nights

Answer

during morning hours

Answer

around mid-day

Answer

in the afternoon

Question 4

VHF radio signals are propagated

Accepted Answer

through the troposphere

Answer

via the ionosphere

Answer

along the ground

Answer

microwave channels

Question 5

The atmospheric radio noise

Accepted Answer

decreases as the frequency increases

Answer

increases as the frequency increases

Answer

remains constant with change in frequency

Answer

none of above

Question 6

In radio broadcasting, rhombic antennas are used for

Accepted Answer

long distance directional broadcasting

Answer

short distance broad casting

Answer

uniform coverage round an antenna

Answer

none of above

Question 7

The reverberation time (R/T) of a normal talk studio is around ? second.

Accepted Answer

0.4

Answer

0.2

Answer

0.7

Answer

1

Question 8

Geo-stationary satellite is located above surface of Earth at a distance of about _____ km.

Accepted Answer

36,000

Answer

6,000

Answer

3,600

Answer

600

Question 9

Transistor was invented in the

Accepted Answer

Bell Telephone Laboratory in USA

Answer

BBC research Laboratory

Answer

`IsIHK' Research Laboratory in Japan

Answer

Tata Institute of Fundamental Research in India