Radar and Surveillance Systems MCQs

1. What does the acronym “RADAR” stand for?
A) Radio Detection and Ranging
B) Range and Direction
C) Radio Distance and Radar
D) Radio and Airborne Detection
Answer: A

2. Which of the following is a primary function of radar systems in aviation?
A) Engine monitoring
B) Communication between aircraft
C) Detecting and tracking aircraft and weather phenomena
D) Controlling the aircraft’s autopilot
Answer: C

3. What is the primary purpose of a Primary Surveillance Radar (PSR) in aviation?
A) To provide weather updates
B) To detect and track aircraft based on reflected radio waves
C) To control the aircraft’s navigation system
D) To measure and display aircraft altitude
Answer: B

4. Which radar system provides accurate information on an aircraft’s altitude over ground?
A) SSR (Secondary Surveillance Radar)
B) ASR (Airport Surveillance Radar)
C) PSR (Primary Surveillance Radar)
D) MSSR (Monopulse Secondary Surveillance Radar)
Answer: B

5. What is the primary function of a Secondary Surveillance Radar (SSR) in aviation?
A) To measure aircraft altitude
B) To detect and track weather phenomena
C) To provide weather updates
D) To interrogate and receive responses from transponders on aircraft
Answer: D

6. Which radar system is used primarily for monitoring and controlling aircraft movements in the vicinity of an airport?
A) ASR (Airport Surveillance Radar)
B) MSSR (Monopulse Secondary Surveillance Radar)
C) PSR (Primary Surveillance Radar)
D) SSR (Secondary Surveillance Radar)
Answer: A

7. What does the acronym “TCAS” stand for in aviation radar systems?
A) Traffic and Collision Avoidance System
B) Terrain and Collision Avoidance System
C) Tactical Control and Avoidance System
D) Transponder Collision Avoidance System
Answer: A

8. Which radar system is designed to provide collision avoidance guidance to aircraft?
A) ASR
B) TCAS
C) MSSR
D) PSR
Answer: B

9. What is the primary function of a Weather Radar system in aviation?
A) To measure aircraft altitude
B) To detect and track weather phenomena such as storms and precipitation
C) To control the aircraft’s navigation system
D) To provide weather updates
Answer: B

10. Which radar system uses multiple antenna beams to improve accuracy in altitude measurement?
A) ASR
B) MSSR
C) SSR
D) PSR
Answer: B

11. What is the purpose of a Monopulse Secondary Surveillance Radar (MSSR) in aviation?
A) To measure aircraft altitude
B) To detect and track aircraft based on reflected signals
C) To provide weather updates
D) To interrogate and receive responses from transponders on aircraft more accurately
Answer: D

12. Which radar system is used to monitor and control air traffic over a wide area, such as across regions or countries?
A) ASR
B) SSR
C) MSSR
D) ARTS
Answer: B

13. What does the acronym “ARTS” stand for in radar systems?
A) Airborne Radar Tracking System
B) Air Route Traffic Control System
C) Airborne Surveillance Radar Tracking System
D) Automated Radar Tracking System
Answer: D

14. Which radar system is designed to provide enhanced surveillance and tracking capabilities for military applications?
A) ASR
B) SSR
C) MSSR
D) AESA Radar
Answer: D

15. What is the primary function of an Automatic Dependent Surveillance-Broadcast (ADS-B) system in aviation surveillance?
A) To measure aircraft altitude
B) To provide voice communication between aircraft and air traffic control
C) To broadcast the aircraft’s position and other data to ground stations and other aircraft
D) To detect and track weather phenomena
Answer: C

16. Which radar system uses electromagnetic waves to detect and track objects in the air, on land, or at sea?
A) Weather Radar
B) Surveillance Radar
C) Airport Radar
D) Traffic Radar
Answer: B

17. What is the primary purpose of an Airborne Collision Avoidance System (ACAS) in aviation radar systems?
A) To measure and display aircraft altitude
B) To provide weather updates
C) To enhance traffic surveillance and collision avoidance
D) To control the aircraft’s navigation system
Answer: C

18. Which radar system uses Doppler effect principles to detect moving objects and determine their speed?
A) Weather Radar
B) Surveillance Radar
C) Airport Radar
D) Traffic Radar
Answer: D

19. What is the function of a Synthetic Aperture Radar (SAR) in aviation surveillance?
A) To measure aircraft altitude
B) To provide detailed images of terrain and objects on the ground
C) To detect and track weather phenomena
D) To control the aircraft’s navigation system
Answer: B

20. Which radar system is used to detect and track ships and vessels at sea?
A) Weather Radar
B) Surface Surveillance Radar
C) Airport Radar
D) Ground Penetrating Radar
Answer: B

21. What does the acronym “ELINT” stand for in radar and surveillance systems?
A) Electronic Intelligence
B) Extended Line-Of-Sight Tracking
C) Enhanced Laser Integration
D) Emergency Locator Interface
Answer: A

22. Which radar system is used for detecting and tracking ballistic missiles and satellites?
A) Bistatic Radar
B) Over-The-Horizon Radar (OTH)
C) Ground Penetrating Radar (GPR)
D) Phased Array Radar
Answer: B

23. What is the primary function of a Bistatic Radar system in aviation surveillance?
A) To measure and display aircraft altitude
B) To provide weather updates
C) To detect and track objects using separate transmit and receive antennas
D) To control the aircraft’s navigation system
Answer: C

24. Which radar system is used for ground-based surveillance and tracking of aircraft in close proximity to an airport?
A) ASR
B) MSSR
C) SSR
D) PSR
Answer: A

25. What is the purpose of a Ground Moving Target Indicator (GMTI) radar system?
A) To measure and display aircraft altitude
B) To detect and track moving objects on the ground, such as vehicles and personnel
C) To provide weather updates
D) To control the aircraft’s navigation system
Answer: B

26. Which radar system is used for monitoring and controlling air traffic over a specific airport and its vicinity?
A) ARTS
B) MSSR
C) ASR
D) SSR
Answer: C

27. What does the acronym “WSPR” stand for in radar and surveillance systems?
A) Wideband Signal Processing Radar
B) Wide Spectrum Pulse Radar
C) Weak Signal Propagation Reporter
D) Weather Signal Processing Radar
Answer: C

28. Which radar system is used for detecting and tracking stealth aircraft due to its low probability of intercept characteristics?
A) Over-The-Horizon Radar (OTH)
B) Passive Radar
C) Phased Array Radar
D) Frequency Modulated Continuous Wave (FMCW) Radar
Answer: B

29. What is the primary function of a Frequency Modulated Continuous Wave (FMCW) radar system?
A) To measure and display aircraft altitude
B) To detect and track moving objects with high precision
C) To provide weather updates
D) To control the aircraft’s navigation system
Answer: B

30. Which radar system uses multiple antenna elements to electronically steer and focus the radar beam?
A) Phased Array Radar
B) Bistatic Radar
C) Monopulse Radar
D) Pulse Doppler Radar
Answer: A

31. What is the function of a Pulse Doppler radar system in aviation surveillance?
A) To measure aircraft altitude
B) To detect and track moving objects while filtering out stationary clutter
C) To provide weather updates
D) To control the aircraft’s navigation system
Answer: B

32. Which radar system is used for ground-based surveillance and tracking of air traffic over a wide area?
A) ASR
B) MSSR
C) SSR
D) ARTS
Answer: C

33. What does the acronym “UTM” stand for in radar and surveillance systems?
A) Universal Tracking Mode
B) Unmanned Traffic Management
C) Unified Tracking Method
D) Universal Tactical Mapping
Answer: B

34. Which radar system uses a combination of active and passive radar sensors to detect and track objects?
A) Multistatic Radar
B) Synthetic Aperture Radar (SAR)
C) Ground Penetrating Radar (GPR)
D) Coherent Radar
Answer: A

35. What is the primary function of a Ground Penetrating Radar (GPR) system?
A) To measure and display aircraft altitude
B) To detect and map subsurface objects and features
C) To provide weather updates
D) To control the aircraft’s navigation system
Answer: B

36. Which radar system is used for detecting and tracking small maritime vessels and boats?
A) Coastal Surveillance Radar
B) Over-The-Horizon Radar (OTH)
C) Passive Radar
D) Surface Surveillance Radar
Answer: A

37. What is the purpose of a C-band radar system in aviation surveillance?
A) To measure and display aircraft altitude
B) To detect and track weather phenomena
C) To control the aircraft’s navigation system
D) To provide surveillance and tracking of maritime vessels
Answer: B

38. Which radar system is used for detecting and tracking targets beyond the horizon, typically for long-range surveillance?
A) Over-The-Horizon Radar (OTH)
B) Synthetic Aperture Radar (SAR)
C) Pulse Doppler Radar
D) Frequency Modulated Continuous Wave (FMCW) Radar
Answer: A

39. What is the function of a Doppler weather radar system?
A) To measure and display aircraft altitude
B) To detect and track moving weather phenomena, such as rain and storms
C) To provide weather updates
D) To control the aircraft’s navigation system
Answer: B

40. Which radar system is used for detecting and tracking aircraft at long ranges with high accuracy?
A) ASR
B) MSSR
C) SSR
D) Long Range Air Surveillance Radar
Answer: D

41. What does the acronym “RWR” stand for in radar and surveillance systems?
A) Radar Warning Receiver
B) Range-Width Radar
C) Radio Wave Recognition
D) Rapid Wave Reflection
Answer: A

42. Which radar system is used for detecting and tracking incoming missiles and threats?
A) Counterfire Radar
B) Missile Defense Radar
C) Early Warning Radar
D) Tactical Radar
Answer: B

43. What is the primary function of an Early Warning Radar (EWR) system?
A) To measure and display aircraft altitude
B) To detect and track incoming threats, such as aircraft and missiles, at long ranges
C) To provide weather updates
D) To control the aircraft’s navigation system
Answer: B

44. Which radar system is used for ground-based surveillance and tracking of air traffic in mountainous regions?
A) Mountain Surveillance Radar (MSR)
B) Over-The-Horizon Radar (OTH)
C) Synthetic Aperture Radar (SAR)
D) Pulse Doppler Radar
Answer: A

45. What is the purpose of an X-band radar system in aviation surveillance?
A) To measure and display aircraft altitude
B) To detect and track weather phenomena
C) To provide weather updates
D) To control the aircraft’s navigation system
Answer: B

46. Which radar system is used for detecting and tracking ballistic missile threats?
A) Early Warning Radar (EWR)
B) Missile Defense Radar
C) Surface-to-Air Radar
D) Tactical Radar
Answer: B

47. What is the function of a Fire-Control Radar (FCR) in radar and surveillance systems?
A) To measure and display aircraft altitude
B) To detect and track incoming threats, such as missiles and aircraft
C) To provide weather updates
D) To control the aircraft’s navigation system
Answer: B

48. Which radar system is used for detecting and tracking small drones and UAVs?
A) Small Unmanned Aerial Vehicle Radar (SUAVR)
B) Micro Air Vehicle Radar (MAVR)
C) Low Altitude Surveillance Radar (LASR)
D) Counter-UAS Radar (CUAS)
Answer: D

49. What is the primary function of an X-band maritime radar system?
A) To measure and display aircraft altitude
B) To detect and track maritime vessels and boats
C) To provide weather updates
D) To control the aircraft’s navigation system
Answer: B

50. Which radar system uses multiple radar beams to provide continuous and overlapping coverage over a large area?
A) Multifunction Phased Array Radar
B) Over-The-Horizon Radar (OTH)
C) Pulse Doppler Radar
D) Frequency Modulated Continuous Wave (FMCW) Radar
Answer: A

Radar and Surveillance Systems MCQs

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