NEW
Font size
WorksheetsBroadcast Engineering 1
Total questions: 30
Worksheet time: 15mins
Broadcasting is the process of transmitting information (voice, music or video signal) by radio or through television for reception by the ________ .
receiver
antenna
general public
private owners of radio/TV
AM is a method of impressing ______ on a radio signal
music
voice
acoustic
sound
Commercial and public AM broadcasting is authorized in the ___________ band worldwide
short wave
medium wave
long wave
all ofvthe choices
Radio broadcasting was made possible by the invention of the amplifying _______
audion
triode
vacuum tube
all of the choices
Lee de Forest invented the vacuum tube in _______, which led to the development of inexpensive AM radio receivers and transmitters during World War I.
1916
1906
1896
1926
Commercial AM broadcasting developed from _______ around 1920
amateur contests
radio enthusiast
amateur broadcasts
telephone broadcasts
Broadcasting period after World War II is now known as the ____________.
"Golden Age of Broadcasting"
"Golden Age of Radio"
"Golden Age of Radio and TV"
"Golden Age of AM Radio"
Today, AM competes with FM, as well as with various digital radio broadcasting services distributed from ________ and satellite transmitters
ground wave
airwave
terrestrial
omni-directional antennas
The _______ audio bandwidth and _______ levels of interference experienced with AM transmission have led AM broadcasters to specialize in spoken-word programming
narrow, lower
wide, higher
wide, lower
narrow, higher
AM operating frequency
3 – 30 kHz
30 – 300 kHz
300 – 3000 kHz
3000 – 30000 kHz
AM propagation
MIDDLE WAVE
SPACE WAVE
GROUND WAVE
SHORT WAVE
Polarization of AM antenna
vertical
horizontal
circular
elliptical
AM antenna is ________
unidirectional
bidirectional
omnidirectional
multidirectiona
_________ broadcasting is broadcasting that is deliberately aimed at a foreign, rather than a domestic, audience
AM
International
FM
TV
lInternational broadcasting is broadcast more usually via __________ radio.
longwave
mediumwavw
shortwave
direct satellite
International broadcasting broadcasting services have operated external services since the _______.
1910s
1920s
1930s
1950s
International Broadcasting is a radio broadcast system in the ___________ range that is designed to reach a international audience
low frequency
middle frequency
high frequency
very high frequency
International Broadcasting is in the frequency range of:
300 – 3000 KHz
3000 – 30000 KHz
30 – 300 MHz
300 – 3000 MHz
Propagation in International Broadcasting
ground wave
space wave
sky wave
line-of-sight
Antenna polarization in International broadcast
horizontal
vertical
unidirectional
all of the choices
FM broadcasting is radio broadcasting using frequency modulation (FM) technology. It was invented in 1933 by American engineer _______
Lee De Forest
Neil Armstrong
Fred Marconi
Edwin Armstrong
FM radio stations use the ______ frequencies
MF
HF
VHF
SHF
FM is a radio broadcast system in the very high frequency range that is designed to reach a wide audience, i.e. within a ________ boundaries
national
regional
horizon
international
FM operates at the frequency range of:
30 – 300 MHz
3 - 30 GHz
30 - 300 GHz
3 - 30 MHz
FM is using ________ polarized antenna
vertical
elliptical
circular
all of the choices
_____ broadcast is a radio broadcast system in the very high and ultra high frequency range that is designed to transmit video signal and reach a wide audience
AM
FM
International
TV
TV propagates thru:
skywave
groundwave
spcewave
line-of-sight
TV frequency spectrum is ______
3 – 30 MHz
30 – 300 MHz
300 – 3000 MHz
3000 – 30000 MHz
Antenna used in TV is _______ polarized
horizontally
vertically
circularly
elliptically
TV uses ____ propagation
spacewave
groundwave
LOS
skywave
