Water / Waste DSC 38 Flashcards
Where is the potable water tank located?
In front of the wing box, behind the FWD cargo compartment
How many litres does the potable water tank hold?
200 litres
How is the water system pressurized on the ground?
By air from the service panel pressure port, or
the air-supply boost system
How is the water system pressurized in the air?
By Bleed Air
To where is potable water piped?
To the galleys and lavatories
Where are the manual water system shut-off valves located?
Under the wash basins and toilet bowls
Where is the indication of the tank water quantity displayed?
On the FAP and the AFT Service Panel
Where does waste water from the galleys and lavatories go?
Drains overboard through 2 heated drain masts
How is the waste water discharged?
a) on the ground?
b) in flight?
a) Gravity
b) Differential pressure
Where does waste from the toilet bowl go?
Into a waste tank
What is the capacity of the waste tank?
170 litres
When is differential pressure for waste discharge generated by the Vacuum generator?
On the ground, and
In flight below 16000ft
The Vacuum System Controller (VSC) transmits info to….
a) ?
b) ?
a) FAP to indicate waste tank levels and report defects
b) Centralized Fault Display System (CFDS) to signal the system defects to maintenance.
How is the waste tank serviced?
By ground personnel via the Service panel AFT RHS under the fuselage
What can be used in case of an electrical failure of the flush valve?
The manual flush control which is located under each toilet bowl.
