Space Wave Propagation - Tropospheric Scatter Online Exam Quiz
Space Wave Propagation - Tropospheric Scatter GK Quiz. Question and Answers related to Space Wave Propagation - Tropospheric Scatter. MCQ (Multiple Choice Questions with answers about Space Wave Propagation - Tropospheric Scatter
In tropospheric scattering, rapid fading occurs due to ___ and long-term fading occurs due to __
Options
A : multipath propagation, turbulences in atmosphere
B : low signal strength, signal travelling below horizon
C : signal travelling below horizon, low signal strength
D : daily and seasonal variations, multi-path propagation
In which of the following polarization the electric field components are perpendicular to each other and have equal magnitude?
Options
A : Linear
B : Vertical
C : Circular
D : Elliptical
In which of the following polarization the electric field components are perpendicular to each other and have unequal magnitudes?
Options
A : Linear
B : Vertical
C : Circular
D : Elliptical
The turbulences in the atmosphere lead to ___
Options
A : tropospheric scattering
B : ground wave propagation
C : sky wave propagation
D : constant velocity of signal
Tilt angle of the elliptic polarization with respect to horizontal is __
Options
A : ?=tan^{-1}(\frac{a_{vertical}}{a_{horizontal}})
B : ?=\frac{a_{horizontal}}{a_{vertical}}
C : ?=(\frac{a_{vertical}}{a_{horizontal}})
D : ?=tan^{-1}(\frac{a_{horizontal}}{a_{vertical}})
When the signal take-off angle increases, the height of scatter volume __
Options
A : increases
B : decreases
C : it remains constant
D : may increase or decrease
Which of the following is used for communication in rugged terrain where normal propagation methods fail?
Options
A : Tropospheric Scattering
B : Ground wave
C : LOS
D : Radio Horizon
Which of the following polarization is used in monopole antenna?
Options
A : Right-hand Circular
B : Linear
C : Depends on the feed
D : Left-hand Circular
Which of the following statements regarding tropospheric scattering is false?
Options
A : It occurs in the region near to the mid-point of the transmitter and receiver
B : It occurs above the radio horizon
C : It travels beyond the line of sight distance
D : It occurs below the radio horizon
Which type of polarization is found in parabolic reflector?
Options
A : Right-hand Circular
B : Linear
C : Depends on the feed
D : Left-hand Circular
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