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Flashcards in Oxygen System Deck (17)
0

The oxygen system is divided into two different and separate systems; the __________ system for crewmembers and ___________ for the flight attendant and passengers.

Flight Crew

Passenger System

1

The oxygen servicing panel in located on the ______ side of the front fuselage.

Right

2

The Oxygen cylinders are protected from over pressurization by a ________ _______ set to rupture at 2,770 psi at 21ºC

safety disc

3

The normal oxygen filling pressure is _________ psi, but is regulated down to a pressure of ______ psi for crew distribution and _______ psi for passengers.

1,850
70
45

4

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 ________

400
Crew Oxy Lo Press
12
750
Pax Oxy LO Press

5

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

6

In the event the passenger oxygen system is activated, teh pneumatic latches are energized for _______ in either _______ or _________ modes

Auto
Manual

7

Selecting Normal on the crew oxygen masks provides an oxygen/air mixture that eventually becomes pure 100% oxygen above ___________ feet

33,000

8

The _______ flag (white) appears when the box shutoff valve is open and oxygen is being supplied to the mask.

OXY ON

9

Selecting _________ provides pure oxygen at all altitudes.

100%

10

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.

1580
1140
1580
Jumbseat

11

Oxygen bottle pressure can be monitored on the ________ page of the MFD

ECS

12

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

MASK
Speaker
Speaker
Hot Mic

13

Part of the oxygen system test is to check the _______ _________ to make sure they are serviceable

Smoke Goggles

14

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 _____ _____ ______

Venting Valve
the supply hose

15

The portable oxygen cylinder is normally filled at _________ psi, but may be dispatched with a minimum cylinder pressure of _________ psi

1,850
1,200

16

The EMB-135BJ is equipped with ________ PBE

2