Introduction to Satellite Communication – Exercise – 1

Introduction to Satellite Communication » Exercise – 1

1. An active satellite carriers :

(a)  Antenna system
(b)  Transmitter
(c)  Receiver
(d)  All of the above

Answer
Answer : (d)
Explanation
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2. A passive satellite :

(a)  Amplifier the signal
(b)  Reflects the signal
(c)  Absorbs the signal
(d)  None of above

Answer
Answer : (b)
Explanation
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3. Marisat Satellites are used for :

(a)  TV transmission
(b)  Weather forecasts
(c)  Ship to share communication
(d)  Satellite to satellite communication

Answer
Answer : (c)
Explanation
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4. If the maximum value of electron density is 1.24 x 106 cm^-3 the critical frequency for reflection at vertical incidence will be nearly :

(a)  1 MHz
(b)  5 MHz
(c)  7.5 MHz
(d)  5 MHz

Answer
Answer : (d)
Explanation
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5. An active satellite has :

(a)  Antenna system
(b)  Antenna system transmitter and receiver
(c)  Antenna system, transmitter, receiver and power supply
(d)  only metallic baloon

Answer
Answer : (c)
Explanation
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