10 Questions
ACSC 1 controls:
- Cockpit trim air valve
- FWD cabin trim air valve
- AFT cabin trim air valve
1
When LO is selected on the PACK FLOW selector, the pack flow is automatically selected HI in case of;
APU supplying bleed air
Inputs to the mixer unit are
From Packs, Cabin Fan, Emergency Ram Air and LP Ground inlets.
What is the effect of selecting the Hot Air p/b switch to OFF.?
It will close hot air pressure regulating valve and all the trim air valves.
The HOT-AIR PRESSURE-REGULATING VALVE closes automatically, if: .
- The duct overheats, or
- The cockpit trim air valve fails, or
- FWD + AFT cabin trim air valves fail.
1, 3
Do not use conditioned air simultaneously from packs and HP ground unit (to avoid chattering of the non-return valves).
false
When does Pack Flow Control Valve close?
- In case of Pack Compressor outlet-overheat whether on ground or in flight.
- In case of Engine start sequence
- When Fire pushbutton, of the engine on the related side, is pressed,
- When Ditching is selected.
2, 3, 4
What is the meaning of CAB PR LDG ELEV FAULT?
LDG ELEV data from FMGC is not available.
By increasing cabin altitude in flight, what happens to Cabin Diff Pressure?
It will decrease.
When Avionics Ventilation System is working in GND Mode, the following Configurations are possible in normal operation:
- Open Configuration
- Intermediate Configuration
- Close Configuration
1,3
Test your knowledge of ACSC 1 controls by identifying the functions of the cockpit trim air valve, FWD cabin trim air valve, and AFT cabin trim air valve.
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