2A852 CDC Volume 3

62 Questions | Total Attempts: 146

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2A852 Quizzes & Trivia

Questions and Answers
  • 1. 
    Which element of the Military Standard 1553B data bus coordinates the flow of information?
    • A. 

      Remote terminal

    • B. 

      Bus controller

    • C. 

      Bus monitor

    • D. 

      Data bus.

  • 2. 
    What happens with the bus controller when it detects a transmission error while communicating with a remote terminal (RT) on the Military Standard 1553B data bus?
    • A. 

      Retransmits the command several times, and then tries the backup data bus.

    • B. 

      Is disabled and the backup controller resumes transmission

    • C. 

      Attempts to retransmit to the RT until contact is made.

    • D. 

      Establishes communications with a different RT.

  • 3. 
    Which element of the Military Standard 1553B data bus is capable of being used as a backup bus controller?
    • A. 

      Remote terminal.

    • B. 

      Bus controller.

    • C. 

      Stub coupler

    • D. 

      Bus monitor.

  • 4. 
    Each type of word used on the Military Standard 1553B data bus is
    • A. 

      20 bits long with a 3-bit sync character, 16 information bits, and one parity bit.

    • B. 

      16 bits long with a 3-bit sync character, 12 information bits, and one parity bit

    • C. 

      10 bits long with a 2-bit sync character, 16 information bits, and one parity bit.

    • D. 

      8 bits long with a 2-bit sync character, 12 information bits, and one parity bit.

  • 5. 
    Military Standard 1553B status words are only transmitted by remote terminals in response to a command from the   
    • A. 

      Remote terminal.

    • B. 

      Bus controller.

    • C. 

      Bus monitor.

    • D. 

      Fiber optic.

  • 6. 
    Which type word on the Military Standard 1553B data bus contains the actual information being transferred between remote terminals and the bus controller?
    • A. 

      Command.

    • B. 

      Status.

    • C. 

      Mode

    • D. 

      Data.

  • 7. 
    A local area network (LAN) system’s Ethernet station sends data at a rate of
    • A. 

      1 megabit per second (Mbps).

    • B. 

      10 Mbps.

    • C. 

      15 Mbps

    • D. 

      25 Mbps.

  • 8. 
    What is the round trip time limited to, through the local area network (LAN), in an Ethernet system, based on its collision detect?
    • A. 

      50 nanoseconds

    • B. 

      50 microseconds

    • C. 

      100 nanoseconds

    • D. 

      100 microseconds.

  • 9. 
    Data that must be sent between two processors in the Ethernet local area network (LAN) must flow through the
    • A. 

      Bus monitor

    • B. 

      Data transfer unit.

    • C. 

      Digital switching module.

    • D. 

      Integrated processing center.

  • 10. 
    What components control the electronic attitude director indicator (EADI) and electronic horizontal situation indicator (EHSI) formats?
    • A. 

      Multifunctional display control panels

    • B. 

      Heads-up display control panels.

    • C. 

      Fuel management systems.

    • D. 

      Mission computers.

  • 11. 
    The multifunctional displays (MFD) are interconnected to each other through the
    • A. 

      Military Standard (MIL-STD)–1553A

    • B. 

      MIL-STD–1553B.

    • C. 

      Ethernet local area network (LAN).

    • D. 

      Electronic horizontal situation indicator (EHSI).

  • 12. 
    Which multifunctional display (MFD) overlay uses flight management system (FMS) data and barometric or radio altitude inputs to determine position?
    • A. 

      Weather radar (WXR).

    • B. 

      Traffic alert collision avoidance system (TCAS).

    • C. 

      Map arc.

    • D. 

      Ground proximity warning system (GPWS).

  • 13. 
    What component of the flight display system (FDS) allows you to select the navigational source?
    • A. 

      Multifunctional display (MFD).

    • B. 

      MFD control panel

    • C. 

      Electronic attitude director indicator (EADI).

    • D. 

      Electronic horizontal situation indicator (EHSI).

  • 14. 
    Which of the following does the mission computer (MC) not provide to the heads-up display (HUD)?
    • A. 

      Radar altitude

    • B. 

      Auto-throttle speed.

    • C. 

      Display mode commands

    • D. 

      Flight director commands.

  • 15. 
    The head-up displays (HUD) are focused to infinity and permit a wide field of view that is
    • A. 

      25 degrees (°) horizontal and 18° vertical

    • B. 

      25° horizontal and 24° vertical.

    • C. 

      30° horizontal and 24° vertical.

    • D. 

      30° horizontal and 30° vertical.

  • 16. 
    The selected mode and symbology requirements are passed to the heads-up displays (HUD) from the mission computers by way of the
    • A. 

      Ethernet local area network (LAN).

    • B. 

      1553B data bus.

    • C. 

      1553A data bus.

    • D. 

      ARINC 429.

  • 17. 
    Which heads-up display (HUD) control mode has a considerably reduced brightness range?
    • A. 

      OFF.

    • B. 

      DAY.

    • C. 

      AUTO.

    • D. 

      NIGHT.

  • 18. 
    Which system provides attitude and heading information to the flight management system (FMS)?
    • A. 

      Inertial navigation system (INS).

    • B. 

      Global positioning system (GPS).

    • C. 

      Traffic collision avoidance system (TCAS).

    • D. 

      Ground proximity warning system (GPWS).

  • 19. 
    The flight management system (FMS) is capable of loading this number of mission plans and waypoints, respectively.
    • A. 

      20 and 500.

    • B. 

      50 and 200.

    • C. 

      200 and 50.

    • D. 

      500 and 20.

  • 20. 
    Which component provides the flight management system’s (FMS) processing and interface functions?
    • A. 

      Flight display system

    • B. 

      Navigation computer.

    • C. 

      Control display unit.

    • D. 

      Data transfer unit.

  • 21. 
    Which component provides the primary means of loading the operational flight program (OFP) software and saving the fault history in the aircraft’s flight management system (FMS)?
    • A. 

      Data transfer unit

    • B. 

      Control display unit.

    • C. 

      Navigation computer.

    • D. 

      Flight display system.

  • 22. 
    What type information do fuel management systems, such as the Fuel Savings Advisory System (FSAS), measure?
    • A. 

      Aircraft performance data.

    • B. 

      Tactical air navigation

    • C. 

      Ethernet local area network (LAN) data.

    • D. 

      Ram air pressure

  • 23. 
    Which of the following is not a Fuel Management Advisory Computer (FMAC) software functional area?
    • A. 

      Vertical navigation

    • B. 

      Preflight initialization

    • C. 

      Data bus management

    • D. 

      Aircraft performance data.

  • 24. 
    The fuel savings advisory data is transmitted from the Fuel Management Advisory Computer (FMAC) to the control display unit (CDU) on the
    • A. 

      1553A Fuel Savings Advisory Bus (FSB).

    • B. 

      1553B FSB

    • C. 

      1553A Flight Management Bus (FMB).

    • D. 

      1553B FMB.

  • 25. 
    The Air Data Computer output data is provided to the Fuel Management Advisory Computer (FMAC) for
    • A. 

      Preflight initialization

    • B. 

      Airspeed calculations.

    • C. 

      Total air temperature.

    • D. 

      Vertical navigation.

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