Avionics MCQs Aeronautical Engineering

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What does the term “avionics” refer to in aeronautical engineering?
A) Aircraft propulsion systems
B) Aircraft avionics systems and electronics
C) Aircraft mechanical systems
D) Aircraft hydraulic systems
Answer: B) Aircraft avionics systems and electronics
2. Which of the following is a primary function of an aircraft’s Flight Management System (FMS)?
A) Engine control
B) Navigation and flight planning
C) Landing gear operation
D) Cabin pressure control
Answer: B) Navigation and flight planning
3. What is the main purpose of the Air Data Computer (ADC) in an aircraft?
A) To manage fuel distribution
B) To measure and compute airspeed, altitude, and air temperature
C) To control cabin temperature
D) To monitor engine performance
Answer: B) To measure and compute airspeed, altitude, and air temperature
4. Which component is responsible for converting digital signals into analog signals in avionics systems?
A) Analog-to-Digital Converter (ADC)
B) Digital-to-Analog Converter (DAC)
C) Data Acquisition Unit (DAU)
D) Flight Data Recorder (FDR)
Answer: B) Digital-to-Analog Converter (DAC)
5. What does a Primary Flight Display (PFD) show?
A) Engine parameters
B) Flight path, attitude, and airspeed
C) Cabin pressure
D) Weather information
Answer: B) Flight path, attitude, and airspeed
6. Which system in an aircraft provides data on the aircraft’s position, speed, and altitude to ground stations?
A) Global Positioning System (GPS)
B) Automatic Dependent Surveillance-Broadcast (ADS-B)
C) Radio Altimeter
D) Traffic Collision Avoidance System (TCAS)
Answer: B) Automatic Dependent Surveillance-Broadcast (ADS-B)
7. What is the function of the Attitude and Heading Reference System (AHRS)?
A) To provide aircraft position data
B) To provide aircraft attitude and heading information
C) To control flight controls
D) To manage cabin lighting
Answer: B) To provide aircraft attitude and heading information
8. What does the term “Flight Data Recorder” (FDR) refer to?
A) A device that records engine parameters only
B) A device that records cockpit voice only
C) A device that records flight parameters and data
D) A device that monitors cabin temperature
Answer: C) A device that records flight parameters and data
9. Which of the following systems helps pilots avoid mid-air collisions?
A) Electronic Flight Instrument System (EFIS)
B) Traffic Collision Avoidance System (TCAS)
C) Flight Data Recorder (FDR)
D) Ground Proximity Warning System (GPWS)
Answer: B) Traffic Collision Avoidance System (TCAS)
10. What is the purpose of the Aircraft Communications Addressing and Reporting System (ACARS)?
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– A) To manage flight data
– B) To facilitate communication between the aircraft and ground stations
– C) To control autopilot functions
– D) To monitor fuel levels
– **Answer:** B) To facilitate communication between the aircraft and ground stations
11. Which system provides real-time weather information to pilots?
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– A) In-Flight Entertainment System (IFES)
– B) Weather Radar
– C) Cabin Pressure Control System
– D) Engine Control Unit (ECU)
– **Answer:** B) Weather Radar
12. What is the primary function of a Radio Altimeter?
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– A) To measure the aircraft’s altitude above sea level
– B) To measure the aircraft’s altitude above the ground
– C) To measure airspeed
– D) To measure cabin pressure
– **Answer:** B) To measure the aircraft’s altitude above the ground
13. Which avionics system assists in automatic landing of aircraft?
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– A) Flight Management System (FMS)
– B) Automatic Flight Control System (AFCS)
– C) Global Navigation Satellite System (GNSS)
– D) Flight Data Recorder (FDR)
– **Answer:** B) Automatic Flight Control System (AFCS)
14. What is the main purpose of the Electronic Flight Instrument System (EFIS)?
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– A) To control aircraft engines
– B) To display flight information on electronic screens
– C) To manage cabin temperature
– D) To monitor fuel consumption
– **Answer:** B) To display flight information on electronic screens
15. Which avionics system is used for monitoring aircraft’s engine parameters?
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– A) Engine Monitoring System (EMS)
– B) Flight Data Recorder (FDR)
– C) Air Data Computer (ADC)
– D) Navigation Display (ND)
– **Answer:** A) Engine Monitoring System (EMS)
16. Which of the following is NOT typically included in the avionics suite of a commercial aircraft?
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– A) Flight Management System (FMS)
– B) Weather Radar
– C) Landing Gear Control System
– D) In-Flight Entertainment System (IFES)
– **Answer:** C) Landing Gear Control System
17. What does the term “glass cockpit” refer to?
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– A) A cockpit with traditional analog instruments
– B) A cockpit with digital and electronic displays
– C) A cockpit with enhanced ventilation
– D) A cockpit with a large touchscreen interface
– **Answer:** B) A cockpit with digital and electronic displays
18. Which system in avionics provides autopilot functionality?
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– A) Flight Data Recorder (FDR)
– B) Flight Control System (FCS)
– C) Automatic Flight Control System (AFCS)
– D) Electronic Flight Instrument System (EFIS)
– **Answer:** C) Automatic Flight Control System (AFCS)
19. What is the role of the Digital Flight Data Acquisition Unit (DFDAU)?
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– A) To acquire and record flight data for analysis
– B) To manage engine performance
– C) To control aircraft navigation
– D) To monitor cabin pressure
– **Answer:** A) To acquire and record flight data for analysis
20. Which system helps to ensure that an aircraft remains within safe operational limits during flight?
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– A) Flight Data Recorder (FDR)
– B) Flight Management System (FMS)
– C) Aircraft Health Monitoring System (AHMS)
– D) Weather Radar
– **Answer:** C) Aircraft Health Monitoring System (AHMS)
21. What does the term “avionics suite” refer to?
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– A) The collection of avionics systems installed in an aircraft
– B) The training program for avionics technicians
– C) The software used in avionics systems
– D) The maintenance equipment for avionics
– **Answer:** A) The collection of avionics systems installed in an aircraft
22. Which of the following is a component of the aircraft’s navigation system?
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– A) Flight Data Recorder (FDR)
– B) Inertial Navigation System (INS)
– C) Cabin Pressure Controller
– D) Weather Radar
– **Answer:** B) Inertial Navigation System (INS)
23. Which avionics system provides information on aircraft’s proximity to terrain or obstacles?
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– A) Traffic Collision Avoidance System (TCAS)
– B) Ground Proximity Warning System (GPWS)
– C) Automatic Dependent Surveillance-Broadcast (ADS-B)
– D) Weather Radar
– **Answer:** B) Ground Proximity Warning System (GPWS)
24. What is the function of the Navigation Display (ND) in an aircraft?
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– A) To display engine performance data
– B) To show the aircraft’s position, flight path, and navigation aids
– C) To control autopilot functions
– D) To monitor cabin temperature
– **Answer:** B) To show the aircraft’s position, flight path, and navigation aids
25. Which system in avionics is responsible for real-time data communication between aircraft and air traffic control?
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– A) Aircraft Communications Addressing and Reporting System (ACARS)
– B) Automatic Dependent Surveillance-Broadcast (ADS-B)
– C) Weather Radar
– D) Inertial Navigation System (INS)
– **Answer:** A) Aircraft Communications Addressing and Reporting System (ACARS)
26. Which of the following provides real-time information about the aircraft’s position and movement in space?
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– A) Global Navigation Satellite System (GNSS)
– B) Weather Radar
– C) Traffic Collision Avoidance System (TCAS)
– D) Flight Data Recorder (FDR)
– **Answer:** A) Global Navigation Satellite System (GNSS)
27. What is the primary function of the Electronic Centralized Aircraft Monitor (ECAM)?
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– A) To manage aircraft’s electrical systems
– B) To display critical flight information and system statuses
– C) To control aircraft’s autopilot
– D) To monitor engine performance
– **Answer:** B) To display critical flight information and system statuses
28. Which system provides the pilots with information about aircraft’s fuel consumption and remaining fuel?
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– A) Fuel Management System (FMS)
– B) Fuel Data Acquisition Unit (FDAU)
– C) Flight Data Recorder (FDR)
– D) Electronic Fuel Indicator (EFI)
– **Answer:** B) Fuel Data Acquisition Unit (FDAU)
29. What does the term “ADS-B” stand for?
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– A) Automatic Dependent Surveillance-Broadcast
– B) Advanced Digital Surveillance-Broadcast
– C) Aircraft Dependent Surveillance-Broadcast
– D) Automated Data Surveillance-Broadcast
– **Answer:** A) Automatic Dependent Surveillance-Broadcast
30. Which avionics system helps in monitoring and controlling aircraft’s hydraulic systems?
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– A) Electronic Flight Instrument System (EFIS)
– B) Hydraulic Monitoring System (HMS)
– C) Aircraft Health Monitoring System (AHMS)
– D) Flight Data Recorder (FDR)
– **Answer:** B) Hydraulic Monitoring System (HMS)
31. What is the purpose of the Aircraft Health Monitoring System (AHMS)?
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– A) To control aircraft’s engine performance
– B) To monitor and diagnose the health of various aircraft systems
– C) To display navigation data
– D) To manage cabin pressure
– **Answer:** B) To monitor and diagnose the health of various aircraft systems
32. Which system provides pilots with real-time wind speed and direction information?
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– A) Weather Radar
– B) Air Data Computer (ADC)
– C) Traffic Collision Avoidance System (TCAS)
– D) Electronic Flight Instrument System (EFIS)
– **Answer:** B) Air Data Computer (ADC)
33. What is the role of the Automatic Flight Control System (AFCS) in an aircraft?
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– A) To manage in-flight entertainment systems
– B) To automatically control the aircraft’s flight path and attitude
– C) To monitor engine parameters
– D) To control cabin lighting
– **Answer:** B) To automatically control the aircraft’s flight path and attitude
34. Which avionics system helps pilots to avoid terrain and obstacles during flight?
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– A) Terrain Awareness and Warning System (TAWS)
– B) Traffic Collision Avoidance System (TCAS)
– C) Weather Radar
– D) Flight Management System (FMS)
– **Answer:** A) Terrain Awareness and Warning System (TAWS)
35. Which component in avionics is used to interface with the aircraft’s communication systems?
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– A) Communication Management Unit (CMU)
– B) Flight Data Recorder (FDR)
– C) Inertial Navigation System (INS)
– D) Electronic Centralized Aircraft Monitor (ECAM)
– **Answer:** A) Communication Management Unit (CMU)
36. Which avionics system provides information about the aircraft’s weight and balance?
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– A) Weight and Balance Computation System (WBCS)
– B) Flight Management System (FMS)
– C) Aircraft Health Monitoring System (AHMS)
– D) Electronic Flight Instrument System (EFIS)
– **Answer:** A) Weight and Balance Computation System (WBCS)
37. Which system monitors and controls the aircraft’s environmental control systems, including cabin temperature and pressure?
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– A) Environmental Control System (ECS)
– B) Cabin Pressure Controller (CPC)
– C) Air Data Computer (ADC)
– D) Flight Management System (FMS)
– **Answer:** A) Environmental Control System (ECS)
38. Which avionics system is used for real-time communication of aircraft performance and position to ground operations?
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– A) Aircraft Communications Addressing and Reporting System (ACARS)
– B) Automatic Dependent Surveillance-Broadcast (ADS-B)
– C) Weather Radar
– D) Traffic Collision Avoidance System (TCAS)
– **Answer:** A) Aircraft Communications Addressing and Reporting System (ACARS)
39. What does the term “EFIS” stand for in avionics?
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– A) Electronic Flight Instrument System
– B) Enhanced Flight Information System
– C) Electronic Flight Interface System
– D) Electronic Flight Integration System
– **Answer:** A) Electronic Flight Instrument System
40. Which avionics system assists in the aircraft’s autopilot and auto-throttle functions?
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– A) Flight Management System (FMS)
– B) Automatic Flight Control System (AFCS)
– C) Electronic Centralized Aircraft Monitor (ECAM)
– D) Flight Data Recorder (FDR)
– **Answer:** B) Automatic Flight Control System (AFCS)
41. Which system provides pilots with information about the aircraft’s fuel levels and distribution?
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– A) Fuel Management System (FMS)
– B) Fuel Data Acquisition Unit (FDAU)
– C) Electronic Fuel Indicator (EFI)
– D) Flight Management System (FMS)
– **Answer:** B) Fuel Data Acquisition Unit (FDAU)
42. Which system is primarily used to measure and record aircraft’s speed during flight?
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– A) Air Data Computer (ADC)
– B) Radio Altimeter
– C) Electronic Flight Instrument System (EFIS)
– D) Traffic Collision Avoidance System (TCAS)
– **Answer:** A) Air Data Computer (ADC)
43. Which avionics system provides information about the aircraft’s position, heading, and speed?
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– A) Navigation Display (ND)
– B) Flight Data Recorder (FDR)
– C) Weather Radar
– D) Traffic Collision Avoidance System (TCAS)
– **Answer:** A) Navigation Display (ND)
44. What is the function of the Central Maintenance System (CMS) in an aircraft?
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– A) To control the aircraft’s navigation
– B) To manage the aircraft’s maintenance and diagnostics
– C) To monitor cabin pressure
– D) To manage fuel consumption
– **Answer:** B) To manage the aircraft’s maintenance and diagnostics
45. Which system provides real-time data on aircraft performance and system status to pilots?
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– A) Electronic Flight Instrument System (EFIS)
– B) Aircraft Health Monitoring System (AHMS)
– C) Flight Data Recorder (FDR)
– D) In-Flight Entertainment System (IFES)
– **Answer:** B) Aircraft Health Monitoring System (AHMS)
46. Which avionics system is responsible for providing pilots with visual and auditory warnings about potential flight hazards?
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– A) Terrain Awareness and Warning System (TAWS)
– B) Electronic Flight Instrument System (EFIS)
– C) Traffic Collision Avoidance System (TCAS)
– D) Weather Radar
– **Answer:** A) Terrain Awareness and Warning System (TAWS)
47. What is the primary function of the Aircraft Communications Addressing and Reporting System (ACARS)?
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– A) To monitor aircraft’s speed and altitude
– B) To facilitate digital communication between the aircraft and ground operations
– C) To manage in-flight entertainment systems
– D) To control aircraft’s environmental systems
– **Answer:** B) To facilitate digital communication between the aircraft and ground operations
48. Which avionics system helps in managing the aircraft’s autopilot functions?
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– A) Flight Management System (FMS)
– B) Automatic Flight Control System (AFCS)
– C) Electronic Centralized Aircraft Monitor (ECAM)
– D) Air Data Computer (ADC)
– **Answer:** B) Automatic Flight Control System (AFCS)
49. What does the acronym “TAWS” stand for in the context of avionics?
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– A) Terrain Awareness and Warning System
– B) Traffic Awareness and Warning System
– C) Terminal Area Warning System
– D) Tactical Awareness and Warning System
– **Answer:** A) Terrain Awareness and Warning System
50. Which avionics system is used to display engine and systems information to the pilots?
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– A) Engine Monitoring System (EMS)
– B) Electronic Flight Instrument System (EFIS)
– C) Flight Data Recorder (FDR)
– D) Aircraft Health Monitoring System (AHMS)
– **Answer:** A) Engine Monitoring System (EMS)

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