Related Questions

The radiation pattern of a parabola antenna is
A Omnidirectional
B A figure of directional
C Highly directional
D None of the above
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
If an aluminium pattern made from a wooden master pattern is to be used for grey iron castings, then the shrinkage allowance allowed on the wooden pattern should be
A 10 mm/m
B 16 mm/m
C 20 mm/m
D 26 mm/m
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
A loop antenna is a commonly used for
A Radar
B Direction finding
C Satellite communication
D All of the above
Which of the following will increase the antenna radiation efficiency?
A Use of larger section of conductor
B Providing insulation on conductor
C Top loading of antenna
D Any of the above
What are the three important manipulations done in a for loop on a loop variable?
A Updation, Incrementation, Initialization
B Initialization,Testing, Updation
C Testing, Updation, Testing
D Initialization,Testing, Incrementation
A closed loop system is distinguished from open loop system by which of the following ?
A Servomechanism
B Feedback
C Output pattern
D Input pattern

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