Flashcards in Oxygen System Deck (17)
The oxygen system is divided into two different and separate systems; the __________ system for crewmembers and ___________ for the flight attendant and passengers.
The oxygen servicing panel in located on the ______ side of the front fuselage.
The Oxygen cylinders are protected from over pressurization by a ________ _______ set to rupture at 2,770 psi at 21ºC
The normal oxygen filling pressure is _________ psi, but is regulated down to a pressure of ______ psi for crew distribution and _______ psi for passengers.
If the crew oxygen system pressure drops below ______ psi, the EICAS displays an __________ message that indicates the remaining oxygen is sufficient for about ______ minutes for the pilot, co-pilot and observer. When the passenger oxygen system drops below _______ psi the EICAS displays the message ________
Crew Oxy Lo Press
Pax Oxy LO Press
When the Passenger Oxygen Selector Knob is set to AUTO, the system will be automatically activated whenever the cabin altitude is above ___________ feet
14,500 +/- 500
In the event the passenger oxygen system is activated, teh pneumatic latches are energized for _______ in either _______ or _________ modes
Selecting Normal on the crew oxygen masks provides an oxygen/air mixture that eventually becomes pure 100% oxygen above ___________ feet
The _______ flag (white) appears when the box shutoff valve is open and oxygen is being supplied to the mask.
Selecting _________ provides pure oxygen at all altitudes.
Minimum flight crew oxygen system pressure for dispatch with 3 crewmembers is __________ psi and __________ psi for 2 crewmembers. In the event the oxygen system pressure is below ________ psi, the _____________ must be deferred.
Oxygen bottle pressure can be monitored on the ________ page of the MFD
When conducting a test of the oxygen system the BOOM/MASK button must be set to __________, the _________ button selected out, the ____________ volume adjusted and the PTT yoke button set to the _________ ________ position
Part of the oxygen system test is to check the _______ _________ to make sure they are serviceable
The difference between the crew oxygen masks and the observer oxygen mask is that the observer mask does not have a ________ ________ and the flow indicator is in _____ _____ ______
the supply hose
The portable oxygen cylinder is normally filled at _________ psi, but may be dispatched with a minimum cylinder pressure of _________ psi