Satellite Design and Technology MCQs

1. Which of the following orbits is typically used by communication satellites to remain stationary relative to a point on Earth’s surface?
(A) Low Earth Orbit (LEO)
(B) Medium Earth Orbit (MEO)
(C) Geostationary Orbit (GEO)
(D) Polar Orbit

2. What is the primary function of a satellite bus in satellite design?
(A) It houses the satellite’s payload
(B) It provides propulsion for orbital maneuvers
(C) It manages the satellite’s power system
(D) It houses the satellite’s communication antennas

3. Which component of a satellite is responsible for maintaining the satellite’s orientation in space?
(A) Solar panels
(B) Attitude control system
(C) Payload
(D) Onboard computer

4. What is the purpose of a thermal blanket on a satellite?
(A) To protect the satellite from solar radiation
(B) To regulate internal temperature
(C) To absorb excess heat during re-entry
(D) To reflect communication signals

5. Which propulsion system is commonly used for station-keeping and attitude control of satellites in GEO?
(A) Chemical propulsion
(B) Electric propulsion
(C) Nuclear propulsion
(D) Solar sail propulsion

6. What is the function of a magnetorquer in satellite operations?
(A) Generates electrical power
(B) Provides thermal control
(C) Controls satellite orientation using magnetic fields
(D) Enhances communication range

7. Which type of satellite design is optimized for Earth observation missions, providing high-resolution images of the Earth’s surface?
(A) Communication satellite
(B) Navigation satellite
(C) Remote sensing satellite
(D) Weather satellite

8. What does the acronym “GEO” stand for in satellite terminology?
(A) Geographical Earth Orbit
(B) Geostationary Earth Orbit
(C) Global Environmental Observation
(D) General Equatorial Orbit

9. Which technology is used to increase the bandwidth and data transmission rates of communication satellites?
(A) Solar panels
(B) Transponders
(C) Telemetry systems
(D) Star trackers

10. What is the purpose of redundancy in satellite design?
(A) To reduce the weight of the satellite
(B) To increase the satellite’s speed
(C) To enhance the satellite’s capability to withstand failures
(D) To minimize the satellite’s power consumption