Tropospheric Scatter MCQ’s

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This set of Antenna Multiple Choice Questions & Answers (MCQs) focuses on “Tropospheric Scatter”.

1. What is the range of frequency at which tropospheric scatter occurs?
a) UHF and Microwave range
b) HF
c) MF and VHF
d) MF and HF

2. Tropospheric propagation is also known as forward scatter propagation.
a) True
b) False

3. What is the frequency at which tropospheric scatter occurs?
a) Above 30MHz
b) Below 30 MHz
c) < 3MHz
d) > 3 MHz and < 30MHz

4. The tropospheric scattering occurs at _________
a) Beyond the LOS
b) In ground wave propagation
c) In sky wave propagation
d) Below the radio horizon

5. The turbulences in the atmosphere lead to ___________
a) tropospheric scattering
b) ground wave propagation
c) sky wave propagation
d) constant velocity of signal

6. Which of the following statements regarding tropospheric scattering is false?
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

7. Tropospheric scattering, if falls under low frequencies then it leads to Ionosphere scattering.
a) True
b) False

8. When the signal take-off angle increases, the height of scatter volume ________
a) increases
b) decreases
c) it remains constant
d) may increase or decrease

9. In tropospheric scattering, rapid fading occurs due to _______ and long-term fading occurs due to ______
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

10. Which of the following is used for communication in rugged terrain where normal propagation methods fail?
a) Tropospheric Scattering
b) Ground wave
c) LOS
d) Radio Horizon

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