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Q.1
A satellite signal transmitted from a satellite transponder to earth’s station.
Uplink
Downlink
Terrestrial
Earthbound
Q.2
A helical antenna is used for satellite tracking because of
Circular polarization
Maneuverability
Beamwidth
Gain
Q.3
What band does VSAT first operate?
L-band
X-band
C-band
Ku-band
Q.4
VSAT was made available in
1979
1981
1983
1977
Q.5
A geosynchronous satellite
has the same period a that of the Earth
has a circular orbit
rotates in the equatorial plane
has all of the above
Q.6
INTELSAT stands for
Intel Satellite
International Telephone Satellite
International Telecommunications Satellite
International Satellite
Q.7
Repeaters inside communications satellites are known as
Trancievers
Transponders
Transducers
TWT
Q.8
A communication satellite is a repeater between
a transmitting station and a receiving station
a transmitting station and many receiving station
many transmitting station and many receiving station
none
Q.9
A transponder is a satellite equipment which
receives a signal from Earth station and amplifies
changes the frequency of the received signal
retransmits the received signal
does all of the above-mentioned functions
Q.10
A helical antenna is used for satellite tracking because of
Circular polarization
Maneuverability
Beamwidth
Gain
Q.11
Satellite engine uses
Jet propulsion
Ion propulsion system
Liquid fuel
Solar jet
Q.12
A geostationary satellite is one which
hangs motionless in space about 36000 km about Earth
travels around the Earth in 24 hours
remains stationary above the Earth
appears stationary to everybody on Earth
Q.13
What band does VSAT first operate?
L-band
X-band
C-band
Ku-band
Q.14
Orbital disturbances of a geosynchronous satellite are caused by the
moon
sun
earth
all of the above
Q.15
The first geostationary satellite launched inwas called
ANIK
EARLY BIRD (Intelsat-I)
WESTAR
MOLNIYA
Q.16
The angle subtended by earth at geostationary communication satellite is
17.34°
51.4°
120°
60°
Q.17
The number of days when Earth's shadow falls on a geosynchronous satellite is
88
277
5
10
Q.18
Radio broadcasting is a familiar example of
space multiplexing
time multiplexing
frequency multiplexing
none of the above
Q.19
VSAT was made available in
1979
1981
1983
1977
Q.20
Which of the following is the first commercial satellite?
Early Bird
Telstar
Explorer
Courier
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