Satellite Subsystems – 1 – 2

6. The waiting time for telephonic conversation via communication satellite is of the order of :

(a) 960 ms
(b) 680 ms
(c) 540 ms
(d) 330 ms

ANSWER

EXPLANATION

7. A satellite earth station has :

(a) Only transmitting equipment
(b) Only receiving equipment
(c) Both transmitting as well as receiving equipment
(d) None of the above

ANSWER

EXPLANATION

8. For a tracking satellite in low orbit normally the antenna used is :

(a) Dicone
(b) Cassegrain feed antenna
(c) Circularly polarized helical antenna
(d)
 Any of the above

ANSWER

EXPLANATION

9. Satellite tracking stations are located in remote areas in order to minimise the effect of :

(a) Cosmic noise
(b) Thermal noise
(c) Solar noise
(d)
 Man-made noise

ANSWER

EXPLANATION

10. Before transmitting to the satellite, the wideband satellite signal is amplified by :

(a) Wave guide
(b) Klystron
(c) Travelling wave tube
(d)
 Any of the above

ANSWER

EXPLANATION

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