Aerospace & Aeronautical Engineering MCQs

1. : What does the term avionics stand for?
(A) Aviation electronics
(B) Aerospace vision
(C) Aircraft navigation
(D) Advanced vehicle integration

2. : Which of the following is a primary function of avionics in aircraft?
(A) Cargo handling
(B) Cabin lighting
(C) Navigation and communication
(D) Engine maintenance

3. : The system used to determine the position of an aircraft using satellites is:
(A) INS
(B) GPS
(C) VOR
(D) ILS

4. : Which system provides attitude information to the pilot?
(A) VOR
(B) INS
(C) ILS
(D) ELT

5. : The Flight Management System (FMS) is primarily used for:
(A) Fuel injection control
(B) Automatic weather updates
(C) Flight planning and navigation
(D) Wing control

6. : Which instrument displays the aircraft’s altitude above sea level?
(A) Altimeter
(B) Gyroscope
(C) Airspeed Indicator
(D) Turn Coordinator

7. : What is the function of the autopilot system in modern aircraft?
(A) Increase fuel flow
(B) Maintain stable flight without pilot input
(C) Inflate landing gear
(D) Control pressurization

8. : What type of signal is used by the VOR system?
(A) Microwave
(B) Infrared
(C) VHF radio signal
(D) UHF radio signal

9. : The transponder in an aircraft is used for:
(A) Receiving GPS signals
(B) Sending weather data
(C) Identifying the aircraft on radar
(D) Stabilizing roll

10. : Which of the following systems is responsible for detecting and warning of nearby terrain?
(A) GPWS
(B) ADS-B
(C) ELT
(D) AHRS

11. : The black box in aircraft usually contains:
(A) Landing gear hydraulic fluid
(B) Food for emergencies
(C) Flight data and voice recordings
(D) Backup communication devices

12. : What does EFIS stand for in avionics?
(A) Electronic Flight Instrument System
(B) Engine Fuel Injection System
(C) Electronic Fuel Indicator System
(D) Emergency Flight Integration Software

13. : An aircraft’s attitude is defined by its:
(A) Fuel level
(B) Position relative to magnetic north
(C) Orientation in terms of pitch, roll, and yaw
(D) Flight level above terrain

14. : Which component is used in aircraft for detecting angular velocity?
(A) Altimeter
(B) Airspeed Indicator
(C) Gyroscope
(D) Compass

15. : What is the ELT (Emergency Locator Transmitter) used for?
(A) Communication with ATC
(B) Sending distress signals after a crash
(C) Navigation guidance
(D) Fuel consumption tracking

16. : Which of the following systems is designed to prevent collisions between aircraft?
(A) TCAS
(B) FMS
(C) GPWS
(D) VOR

17. : What is the standard frequency for aircraft VHF communication?
(A) 118 – 137 MHz
(B) 50 – 100 MHz
(C) 400 – 470 MHz
(D) 900 – 960 MHz

18. : The AHRS (Attitude and Heading Reference System) replaces which traditional instruments?
(A) Clock and compass
(B) Altimeter and airspeed
(C) Gyroscope and magnetic compass
(D) Fuel gauge and tachometer

19. : What does ADS-B stand for in avionics?
(A) Automatic Dependent Surveillance–Broadcast
(B) Aerial Directional Signal–Beacon
(C) Advanced Detection System–Beacon
(D) Automatic Direction Survey–Broadcast

20. : The display system that projects flight data onto the windshield is known as:
(A) MFD
(B) HUD
(C) CDU
(D) RDU

21. : What does ILS help pilots with?
(A) Weather forecasting
(B) Take-off power
(C) Instrument landing
(D) Radio communication

22. : The component that manages inputs from sensors and provides a stabilized aircraft reference frame is:
(A) MFD
(B) TCAS
(C) AHRS
(D) GPS

23. : In modern avionics, what does a CDU (Control Display Unit) interface with?
(A) FMS
(B) ELT
(C) TCAS
(D) VHF Radio

24. : The display showing engine status and aircraft systems in glass cockpit is:
(A) PFD
(B) MFD
(C) EICAS
(D) GPS

25. : Which of the following systems enhances situational awareness by displaying surrounding traffic?
(A) GPWS
(B) FMS
(C) EGPWS
(D) TCAS