1. . The height of the geo-stationary satellite above the earth is:
(A) 22300 Km
(B) 35900 Km
(C) 35900 miles
(D) 3590 Km
2. . The time taken by the geo-stationary satellite to complete its one revolution is:
(A) 42 hours
(B) 24 mins
(C) 24 hours
(D) 24 days
3. . The satellite acts as a:
(A) Repeater
(B) Transmission Line
(C) Attenuator
(D) None of these
4. . The heart of satellite’s communication system is called:
(A) Transposition
(B) Transponder
(C) Sounder
(D) Oscillator
5. . Uplink frequency used for satellite communication is:
(A) 3.7 to 4.2 GHz
(B) 5.9 to 6.4 GHz
(C) Both a & b
(D) None
6. . Downlink frequency used for satellite communication is:
(A) 3.7 to 4.2 GHz
(B) 5.9 to 6.4 GHz
(C) Both a & b
(D) None
7. . The source of energy for satellite is:
(A) Dry battery
(B) Fuel cells
(C) Solar cells
(D) MHD
8. . Earth and geo-stationary satellite have equal:
(A) Linear velocity
(B) Angular velocity
(C) No velocity
(D) None
9. . Satellite communication works in the band:
(A) Ku & C
(B) L
(C) X
(D) P
10. . Uplink/Downlink frequency in ‘C’ band is:
(A) 6/4 GHz
(B) 8/6 GHz
(C) 10/8 GHz
(D) 12/10 GHz
11. . In satellite communication the bandwidth of uplink/downlink frequency is:
(A) 70 GHz
(B) 140 GHz
(C) 500 GHz
(D) 1 GHz