Drainage And Ventilation Flashcards
1
Q
What is the purpose of drainage?
A
To prevent fluid from being trapped in crevices
2
Q
How is the lower pressurised fuselage drained?
A
With a series of valves drainage holes
3
Q
How are longitudinal and cross drainage holes done?
A
Done through stringers and frame
4
Q
What valves are typically used for drain holes?
A
Bilge like valves
5
Q
How are valves for drainage operated?
A
Spring loaded
6
Q
What position are drainage valves in when the aircraft is depressurised and normal?
A
Open and closed when pressurised
7
Q
When is ventilation used ?
A
Areas of flammable vapour or water buildup
