10 Questions
At what pressure do the safety valves open?
8.06 psi
What information is used to optimize cabin pressurization in automatic mode?
FMGS landing field elev and dest.QNH
How does the avionics ventilation system control temperature with skin temperature below +35°C?
By passing air through a skin heat exchanger
When does the emer.ram air inlet valve open when the Ram Air pb is set to 'ON'?
When ∆P < 1 psi and ditching is not selected
When does the RPCU automatically open the outflow valve?
When the OFV is not fully open and both CPCs fail with the a/c on ground and all engines shutdown
What happens to the outflow valve when the RAM AIR pb is set to 'ON'?
It opens about 50% only when delta P is less than 1psi
What is the primary function of the safety valves?
To maintain a safe cabin pressure
What is the condition for the emer.ram air inlet valve to open?
When ∆P < 1 psi and ditching is not selected
What is the purpose of the RPCU?
To automate the residual pressure control
What happens when the RPCU automatically opens the outflow valve?
The aircraft is depressurized
Test your knowledge of aircraft air systems, including the mixer unit, hot air pressure regulating valves, and bleed air supply from the APU. This quiz covers various aspects of air systems in aviation.
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