Radar, sensors, and monitoring systems MCQs – Aerospace

1. What is the primary purpose of radar systems in aerospace?
(A) Weather monitoring
(B) Collision avoidance
(C) Navigation
(D) All of the above

2. Which type of radar is commonly used for air traffic control?
(A) Primary radar
(B) Secondary radar
(C) Weather radar
(D) Doppler radar

3. Which frequency band is most commonly used in aerospace radar systems?
(A) L-band
(B) X-band
(C) C-band
(D) S-band

4. What is the primary function of a transponder in aircraft radar systems?
(A) To transmit weather data
(B) To receive signals from ground stations
(C) To respond to radar interrogations
(D) To track the aircraft’s position

5. Which sensor is primarily used for altitude measurement in aircraft?
(A) Barometric altimeter
(B) Infrared sensor
(C) Radar altimeter
(D) Gyroscope

6. What does ADS-B stand for in aerospace monitoring systems?
(A) Automatic Distance Surveillance-Broadcast
(B) Automatic Dependent Surveillance-Broadcast
(C) Automated Detection System-Broadcast
(D) Airborne Detection System-Broadcast

7. Which type of radar is used to detect weather patterns in aerospace?
(A) Doppler radar
(B) Primary radar
(C) Synthetic aperture radar
(D) Secondary radar

8. What is the primary function of the Traffic Collision Avoidance System (TCAS)?
(A) Navigation
(B) Preventing mid-air collisions
(C) Weather detection
(D) Altitude monitoring

9. Which radar system is used to monitor an aircraft’s velocity?
(A) Doppler radar
(B) Ground-based radar
(C) Synthetic aperture radar
(D) Primary radar

10. Which type of sensor provides information about the aircraft’s orientation?
(A) Accelerometer
(B) Gyroscope
(C) Barometer
(D) Lidar