ACSC 1 Controls Quiz
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Questions and Answers

ACSC 1 controls:

  1. Cockpit trim air valve
  2. FWD cabin trim air valve
  3. AFT cabin trim air valve

  • 1 (correct)
  • 2, 3
  • 1, 2, 3

    • When LO is selected on the PACK FLOW selector, the pack flow is automatically selected HI in case of;

  • APU supplying bleed air (correct)
  • abnormally hot and humid conditions
  • Number of passengers in the cabin higher than 115

    • Inputs to the mixer unit are

  • From Packs {1 + 2} only
  • From both Packs, Cabin Fan, and Emergency Ram Air
  • From Packs, Cabin Fan, Emergency Ram Air and LP Ground inlets. (correct)

    • What is the effect of selecting the Hot Air p/b switch to OFF.?

    <p>It will close hot air pressure regulating valve and all the trim air valves.</p> Signup and view all the answers

    The HOT-AIR PRESSURE-REGULATING VALVE closes automatically, if: .

    1. The duct overheats, or
    2. The cockpit trim air valve fails, or
    3. FWD + AFT cabin trim air valves fail.

    <p>1, 3</p> Signup and view all the answers

    Do not use conditioned air simultaneously from packs and HP ground unit (to avoid chattering of the non-return valves).

    <p>false</p> Signup and view all the answers

    When does Pack Flow Control Valve close?

    1. In case of Pack Compressor outlet-overheat whether on ground or in flight.
    2. In case of Engine start sequence
    3. When Fire pushbutton, of the engine on the related side, is pressed,
    4. When Ditching is selected.

    <p>2, 3, 4</p> Signup and view all the answers

    What is the meaning of CAB PR LDG ELEV FAULT?

    <p>LDG ELEV data from FMGC is not available.</p> Signup and view all the answers

    By increasing cabin altitude in flight, what happens to Cabin Diff Pressure?

    <p>It will decrease.</p> Signup and view all the answers

    When Avionics Ventilation System is working in GND Mode, the following Configurations are possible in normal operation:

    1. Open Configuration
    2. Intermediate Configuration
    3. Close Configuration

    <p>1,3</p> Signup and view all the answers

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