Communication Systems MCQs

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1. Which of the following is a primary function of communication systems in aviation?
(A) Engine monitoring
(B) Weather detection
(C) Pilot navigation
(D) Air-to-ground and inter-aircraft communication

2. What does the acronym “VHF” stand for in aviation communication?
(A) Very High Frequency
(B) Variable Height Frequency
(C) Voice Handling Frequency
(D) Visual Handoff Frequency

3. Which communication system is primarily used for voice communication between aircraft and air traffic control?
(A) HF (High Frequency)
(B) VOR (Very High Frequency Omnidirectional Range)
(C) UHF (Ultra High Frequency)
(D) VHF (Very High Frequency)

4. What is the primary function of an Aircraft Communications Addressing and Reporting System (ACARS)?
(A) To facilitate text-based communication between aircraft and ground stations
(B) To record flight data for analysis
(C) To provide weather updates to the pilot
(D) To control the aircraft’s autopilot

5. Which communication system is used for long-range communication when VHF cannot reach?
(A) HF
(B) VOR
(C) VHF
(D) UHF

6. What is the purpose of a Transponder in aircraft communication?
(A) To transmit voice communication between the pilot and air traffic control
(B) To enhance radio reception
(C) To measure engine performance
(D) To provide identification and altitude information to radar systems

7. Which communication system uses satellite networks to enable global voice and data communication for aircraft?
(A) Satellite Communication (SATCOM)
(B) VHF
(C) HF
(D) CPDLC (Controller-Pilot Data Link Communications)

8. What does the acronym “CPDLC” stand for in aviation communication?
(A) Cockpit Data Link Control
(B) Controller-Pilot Data Link Communications
(C) Communication Protocol for Data Link Control
(D) Cabin Data Link Control

9. Which communication system allows pilots and controllers to exchange text messages instead of voice communication?
(A) ACARS
(B) CPDLC
(C) VHF
(D) HF

10. What is the primary function of a Cockpit Voice Recorder (CVR) in aviation communication?
(A) To provide weather updates to the pilot
(B) To record voice communication between pilot and air traffic control
(C) To transmit engine data to ground stations
(D) To control the aircraft’s autopilot

11. Which communication system provides a backup for VHF voice communication and is used for line-of-sight communication?
(A) HF
(B) CPDLC
(C) UHF
(D) ACARS

12. What is the primary purpose of an Emergency Locator Transmitter (ELT) in aviation communication?
(A) To provide communication between aircraft
(B) To alert search and rescue teams of an aircraft’s location
(C) To transmit voice data during emergency situations
(D) To control the aircraft’s navigation system

13. Which communication system uses ground-based antennas and satellites to transmit voice and data communication globally?
(A) HF
(B) SATCOM
(C) CPDLC
(D) VHF

14. What does the acronym “ATC” stand for in aviation communication?
(A) Automated Traffic Communication
(B) Aircraft Tracking Control
(C) Airborne Telecommunication Control
(D) Air Traffic Control

15. Which communication system is crucial for maintaining communication between aircraft and air traffic control over oceanic and remote areas?
(A) HF
(B) VHF
(C) UHF
(D) CPDLC

16. What is the function of an Automatic Dependent Surveillance-Broadcast (ADS-B) system in aviation communication?
(A) To provide voice communication between pilot and air traffic control
(B) To broadcast the aircraft’s position and other data to ground stations and other aircraft
(C) To measure and display aircraft altitude
(D) To control the aircraft’s autopilot

17. Which communication system uses line-of-sight radio signals to provide communication between aircraft in close proximity?
(A) HF
(B) SATCOM
(C) UHF
(D) VHF

18. What is the primary purpose of a Flight Data Recorder (FDR) in aviation communication?
(A) To record voice communication between pilot and air traffic control
(B) To provide real-time weather updates
(C) To record flight data for analysis
(D) To control the aircraft’s autopilot

19. Which communication system provides voice communication between aircraft and ground personnel in airport operations?
(A) HF
(B) UHF
(C) VHF
(D) ACARS

20. What does the acronym “HF” stand for in aviation communication?
(A) High Frequency
(B) High Fidelity
(C) Hybrid Frequency
(D) Helicopter Frequency

21. Which communication system is used for military aircraft communication and is also available for civil aviation?
(A) HF
(B) VHF
(C) SATCOM
(D) UHF

22. What is the function of a Data Link system in aviation communication?
(A) To provide real-time weather updates
(B) To monitor engine performance
(C) To control the aircraft’s navigation system
(D) To transmit digital data between aircraft and ground stations or other aircraft

23. Which communication system uses ground-based transceivers to transmit voice communication between aircraft and air traffic control?
(A) CPDLC
(B) UHF
(C) VHF
(D) SATCOM

24. What does the acronym “GSM” stand for in aviation communication?
(A) Global System for Mobile Communications
(B) Ground-to-Satellite Modem
(C) Ground-to-Satellite Messaging
(D) Global Signal Management

25. Which communication system is primarily used for voice communication between aircraft and ground personnel during ground operations?
(A) VHF
(B) HF
(C) UHF
(D) ACARS

26. What is the primary function of a Mode S Transponder in aviation communication?
(A) To provide weather updates to the pilot
(B) To measure and display aircraft altitude
(C) To transmit the aircraft’s identification and altitude information to radar systems
(D) To control the aircraft’s navigation system

27. Which communication system provides digital communication between aircraft and ground stations for operational messaging?
(A) SATCOM
(B) VHF
(C) UHF
(D) CPDLC

28. What is the purpose of a Satellite Communication (SATCOM) system in aviation communication?
(A) To transmit and receive voice and data communication globally using satellite networks
(B) To provide voice communication between aircraft and air traffic control
(C) To measure and display aircraft altitude
(D) To control the aircraft’s navigation system

29. Which communication system is used for air-to-air communication between military aircraft?
(A) UHF
(B) VHF
(C) HF
(D) SATCOM

30. What does the acronym “AM” stand for in aviation communication?
(A) Amplitude Modulation
(B) Air-to-Marine
(C) Air-to-Military
(D) Aeronautical Modulation

Communication Systems MCQs

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