B777 Anti Ice / Rain

20 Questions | Total Attempts: 750

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B777 Quizzes & Trivia

When an aircraft passes through an icy environment it can build up unevenly between the wings and cause roll control issues and reduced visibility for the pilot. The quiz below is designed to test out what you learn during your training about 777 anti icing and fogging protection. Give it a try!


Questions and Answers
  • 1. 
    When can engine anti-ice be operated manually?
    • A. 

      Only on the ground

    • B. 

      Only in flight

    • C. 

      On the ground or in flight

    • D. 

      Only when TAT is above 10 degrees

  • 2. 
    What does the EAI indicate when displayed on the Primary EICAS N1 indication?
    • A. 

      The engine anti-ice is armed

    • B. 

      The engine anti-ice is open

    • C. 

      The engine anti-ice has failed

    • D. 

      The engine anti-ice shut off

  • 3. 
    What is the position of an engine anti-ice valve when the ENGINE ANTI-ICE selector is in AUTO  and EAI is displayed?
    • A. 

      Open

    • B. 

      Closed

    • C. 

      Inoperative

    • D. 

      Cannot be determined

  • 4. 
    When can wing anti-ice be operated manually?
    • A. 

      Only on the ground

    • B. 

      On the ground or in the air

    • C. 

      Only in flight

    • D. 

      Only when TAT is above 10 degrees C

  • 5. 
    When will wing anti-ice operate automatically?
    • A. 

      Only on the ground

    • B. 

      Only in flight

    • C. 

      Both on the ground and in flight

    • D. 

      Only when TAT is above 10 degrees C

  • 6. 
    Which flight deck windows are heated to provide both anti-icing and anti-fogging protection?
    • A. 

      Both forward windows

    • B. 

      Left forward window and right pilot's side window

    • C. 

      All windows

    • D. 

      Left forward and side window and right forward and side window.

  • 7. 
    Which flight deck windows are provided with a backup anti-fogging system?
    • A. 

      All windows

    • B. 

      Both forward windows

    • C. 

      Left forward window and right pilot's side window

    • D. 

      Left forward and side window and right forward and side window

  • 8. 
    Why are the wipers never operated on a dry windshield?
    • A. 

      The wiper blades will be ruined.

    • B. 

      The wiper motor may burn out.

    • C. 

      Windshield scratching may occur.

    • D. 

      Bugs will be smeared all over the window.

  • 9. 
    Why are the WIPER selectors set to OFF during preflight?
    • A. 

      To avoid wiper operation on dry windshields

    • B. 

      To avoid damage to the wiper blades

    • C. 

      To allow the hydrophobic coating to warm up

    • D. 

      To avoid possible injury to maintenance personnel

  • 10. 
    With the R FWD window heat switch ON, what does the EICAS advisory message WINDOW HEAT R FWD indicate?
    • A. 

      The backup antifog air system is on.

    • B. 

      The window is still in the warm up cycle.

    • C. 

      All window heating functions are inoperative.

    • D. 

      Primary heat for the affected forward window heat is off.

  • 11. 
    When will the EICAS advisory message ANTI-ICE ON be displayed?
    • A. 

      TAT above 10 degrees C, all ANTI-ICE selectors OFF and ice is NOT detected

    • B. 

      TAT above 10 degrees C, any ANTI-ICE selector ON and ice is NOT detected

    • C. 

      TAT below 10 degrees C, all ANTI-ICE selectors ON and ice is detected

    • D. 

      TAT below 10 degrees C, any ANTI-ICE selector OFF and ice is NOT detected

  • 12. 
    What position of the ANTI-ICE selectors will remove the ANTI-ICE ON EICAS message when the air temperature is above 10 degrees C and ice is not detected?
    • A. 

      AUTO

    • B. 

      ON

    • C. 

      OFF

    • D. 

      AUTO or OFF

  • 13. 
    What position should the ENGINE ANTI-ICE selectors be in for taxiing in icing conditions?
    • A. 

      AUTO

    • B. 

      ON

    • C. 

      OFF

    • D. 

      AUTO or OFF

  • 14. 
    What position should the WING ANTI-ICE selector be in for taxiing in icing conditions?
    • A. 

      AUTO

    • B. 

      ON

    • C. 

      OFF

    • D. 

      Either AUTO or ON

  • 15. 
     What action should you take if the EICAS advisory message ICE DETECTORS is displayed?
    • A. 

      Turn all ANTI-ICE selectors to ON then back to AUTO to reset the system.

    • B. 

      Turn all ANTI-ICE selectors OFF for remainder of flight and avoid icing.

    • C. 

      Operate engine and wing anti ice systems manually when icing conditions are encountered.

    • D. 

      Operate engine and wing anti ice systems manually for remainder of flight.

  • 16. 
    What does the EICAS message ICE DETECTORS mean?
    • A. 

      Ice is detected.

    • B. 

      Ice is detected and one or both engine anti-ice selectors are OFF.

    • C. 

      Ice detection has failed.

    • D. 

      One or more anti-ice selectors are in ON.

  • 17. 
    What does the EICAS message ICING ENG indicate?
    • A. 

      Ice detection for the engines has failed.

    • B. 

      Ice is detected and one or both engine anti-ice selectors are OFF.

    • C. 

      One or both engine anti-ice valves remains closed when commanded open.

    • D. 

      Air temperature is above 10 degrees C and ice is not detected.

  • 18. 
    How many pilot or angle of attack probes are electrically heated on the ground with either engine operating?
    • A. 

      Four probes, 2 on the left 2 on the right side.

    • B. 

      Three probes, 2 on the left 1 on the right side.

    • C. 

      Three probes, 1 on the left 2 on the right side.

    • D. 

      Two probes, 1 on the left 1 on the right side.

  • 19. 
    Which Total Air Temperature (TAT) probes and Angle-of-Attack (AOA) sensors are electrically heated?
    • A. 

      The TAT probe aft of the left pitot probe and the angle of attack (AOA) sensor mounted aft of and above the pitot probes on each side of the fuselage.

    • B. 

      The TAT probe forward of the left pitot probe and the angle of attack (AOA) sensor mounted forward of and above the pitot probe on left side of the fuselage.

    • C. 

      The TAT probes aft of the left and right pitot probes and the angle of attack (AOA) sensors mounted forward of and above the pitot probes on each side of the fuselage.

    • D. 

      The TAT probe forward of the right pitot probe and the angle of attack (AOA) sensor mounted aft of and above the pitot probe on left side of the fuselage.

  • 20. 
    Which statement about anti-ice systems is not correct?
    • A. 

      The wing leading edge flaps are not heated by the wing anti-ice system.

    • B. 

      Pitot probes automatically heat electrically for anti-ice protection when either engine is operating.

    • C. 

      The total air temperature probe is aspirated inflight by bleed air for anti-ice protection.

    • D. 

      The automatic ice detection system is inhibited on the ground.

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