A Best Way To Crack Gorenment Job Exams

Electronics Engineering Objective Questions { Radar Engineering and Satellite Communication }

218. Satellite capacity depends on
A. weight that can be placed in orbit
B. panel area available for energydissipation transmitter power
C. all of above
D. none of the above
Discuss in Forum

219. For the earth station antennas to be 6 feet in diameter, the satellite frequency bands must be in
A. 4/6 GHz range
B. 12/14 GHz range
C. 20/30 GHz range
D. both (a) and (b)
Discuss in Forum

220. The satellite orbit almost inveriably used with remote sensing satellites is the
A. Geostationary orbit
B. Geosynchronous orbit
C. Sun synchronous orbit
D. Molniya orbit
Discuss in Forum

221. Sith reference to geosynchronous and geostationary satellite orbits,
A. the two are identical
B. the geosynchronous satellite orbit is in the plane of the equator
C. while geosynchronous orbits are mainly used for mateorological applications, geostationary satellite orbits are mainly used for communication applications
D. while a geostationary orbit is in the equatorial plane, the orbital plane of a geosynchronous satellite is inclined to the equatorial plane
Discuss in Forum

222. The location of a geostationary satellite is always given in terms of
A. a certain longitude
B. a certain latitude
C. longitude and latitude
D. distance from earth's surface
Discuss in Forum

223. The orbital velocity of the satellite
A. is directly proportional to its distance from earth's surface
B. is inversely proportional to square root of its distance from earth's centre
C. depends upon the thrust with which it is launched
D. is continuously changing as the satellite revolves
Discuss in Forum

224. With reference to satellites, the first orbital velocity (u1) which is the minimum horizontal launch velocity required to put a satellite into a circular orbit around earth and second orbital velocity (1)2) which is the horizontal launch velocity which makes the satellite
A. highest point in the orbit
B. lowest point in the orbit
C. point in the parking orbit
D. name given to the boost motor that puts the satellite in the right parking slot
Discuss in Forum

Page 32 of 39

« 30 31  32  3334 »