Oxygen System

Question 0

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

Answer 0

Right

Question 1

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

Answer 1

Flight Crew

Passenger System

Question 2

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

Answer 2

safety disc

Question 3

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

Answer 3

1,850
70
45

Question 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 ________

Answer 4

400
Crew Oxy Lo Press
12
750
Pax Oxy LO Press

Question 5

When the Passenger Oxygen Selector Knob is set to AUTO, the system will be automatically activated whenever the cabin altitude is above ___________ feet

Answer 5

14,500 +/- 500

Question 6

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

Answer 6

Auto

Manual

Question 7

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

Answer 7

33,000

Question 8

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

Answer 8

OXY ON

Question 9

Selecting _________ provides pure oxygen at all altitudes.

Answer 9

100%

Question 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.

Answer 10

1580
1140
1580
Jumbseat

Question 11

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

Answer 11

ECS

Question 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

Answer 12

MASK
Speaker
Speaker
Hot Mic

Question 13

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

Answer 13

Smoke Goggles

Question 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 _____ _____ ______

Answer 14

Venting Valve

the supply hose

Question 15

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

Answer 15

1,850

1,200

Question 16

The EMB-135BJ is equipped with ________ PBE

Answer 16

2