Q1) The System Display (SD) consists of how many system pages?
Ans: The lower Ecam or SD can display 12 system pages which include:
- CAB PRESS
- DOOR / OXY
Q2) What are Suction valves? Where are they fitted?
Ans: Suction valves are used in case of emergency and allow engines to be fed by gravity if the inner tank pumps fail.
They are fitted only in the inner tanks, that’s why Gravity Fuel Feeding cannot be done through Centre tanks.
Q3) The three outboard leading edge slats are Anti-iced using _______?
Ans: The A320 uses both pneumatic and electrical heating to protect the critical areas of the aircraft from icing.
- The following are anti-iced using hot pneumatic air:
- Three outboard leading edge slats
- Engine air intakes
2. The following are anti-iced using electrical heating
- Flight windows
- Sensors, pitot & static probes
- Waste water drain mast