Related Questions

Which antenna is a wideband antenna?
A Hertz antenna
B Marconi antenna
C Folded dipole
D None of the above
A Yagi antenna has a driven antenna
A Only
B With a reflector
C With one or more directors
D With a reflector and one or more directors
The local antenna for satellite connection is called a
A VSAT
B Modem
C Terminal
D DTA
What circuit is responsible in activating and deactivating adjacent antenna elements in a mobile satellite array?
A Radial divider
B Divider/combiner
C Radial combiner
D Radial multiplexer
Is the geographical representation of a satellite antenna radiation pattern
A Footprint
B Spot
C Earth
D Region
The smallest beam of a satellite antenna radiation pattern
A Zone beam
B Hemispheric beam
C Spot beam
D Global beam
In a typical mobile satellite array antenna if three elements are activated, how many elements are deactivated?
A 3
B 11
C 5
D 9
For interpolation of satellite data used for monitoring dynamic changes that occurs on the earth surface, the most suitable orbit for the satellite is:
A Circular orbit
B Sun-synchronous orbit
C Near polar orbit
D None of these
The cracks in helical springs used in railway carriages usually start on the inner side of the coil because of the fact that
A It is subjected to a higher cyclic loading than the outer side
B It is subjected to a higher stress than the outer side
C It is more stretched than the outer side during the manufacturing process
D It has a lower curvature than the outer side
What would be the life span of the satellite 'Bangabandhu Satellite'?
A 3 years
B 5 years
C 15 years
D 20 years

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