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Quiz 5
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Q.1
The geostationary communication satellite APPLE is parked in the equatorial orbit at
102° E longitude over Sumatra
90° E longitude over Bangladesh
74° E longitude over India
67° E longitude over Pakistan
Q.2
The ending part of the popular teleserial Mahabharat will be beamed to the viewers
WESTAT
INSAT-IC
ARABSAT
INSAT-ID
Q.3
Which of the following factor does NOT contribute to the drift of a geostationary satellite from its stationary position in space?
Pressure of solar radiations
Gravitational changes due to Sun and Moon
Oblateness of the Earth
Weight of the satellite
Q.4
The owner of AsiaSat 2 is
Asia Satellite Telecommunications Company (ASTC)
Japan Satellite System (JSAT)
China Great Wall Industry Corporation
Singapore Satellite Commision
Q.5
AsiaSat I covers how many countries in Asia?
38
10
28
15
Q.6
A mobile satellite array has usually how many elements?
6
88
12
14
Q.7
Which one of the following statements regarding DSI is wrong?
It is a digital form of TASI
Though it is more efficient than TASI, it is much slower
A speaker has to wait (it at all) for only a few milliseconds for reallocation of channel
It has increased the capacity of satellite channels by a factor of 2.2 or more with out degrading speech quality
Q.8
Satellite launch sites are invariably located on Eastern seaboards to ensure that
launch takes place eastward
expenditure of propulsion fuel is reduced during plane changing
the satellite achieves circular orbit quickly
spent rocket motor and other launcher debris falls into the sea
Q.9
The frequency of Ku band for satellite communications.
6/4 GHz
14/11 GHz
12/14 GHz
4/8 GHz
Q.10
A satellite cross-link means
Earth-to-satellite link
Satellite-to-earth link
Satellite-to-satellite link
None of these
Q.11
A method of multiple accessing where a given RF channel bandwidth is divided inot smaller frequency band.
CDMA
ANIK-D
TDMA
FDMA
Q.12
Point on the satellite obits closest to the earth.
Apogee
Perigee
Prograde
Zenith
Q.13
_________ detects the satellite signal relayed from the feed and converts it to an electric current, amplifies and lower its frequency.
Horn antenna
LNA
Satellite receiver
Satellite dish
Q.14
What is the frequency range of C-band?
8.5 to 12.5 GHz
3.4 to 6.425 GHz
12.95 to 14.95 GHz
27.5 to 31 GHz
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