ORAL* E145 Oxygen

Question 1

Where does crew get O2

Answer 1

Bottle, behind FO

Question 2

Normal Full Pressure

Answer 2

1850 psi

Question 3

What happens is bottle over pressurizes?

Answer 3

Blow Out Disc blows out

Question 4

Pressure to masks

Answer 4

70 psi

Question 5

OXYGEN LO PRESS trigger?

Answer 5

400 psi

Question 6

How many minutes of O2 with OXYGEN Low Pressure?

Answer 6

12, with 2 plus observer

Question 7

How do you turn off oxygen with mask out of box

Answer 7

Test/Shutoff Slider. Observer is on demand only.

Question 8

Above 33k, what mixture is provided?

Answer 8

100%

Question 9

O2 can be at Positive pressure. How do you get it?

Answer 9

Turn test/emergency knob clockwise

Question 10

Venting valves do what?

Answer 10

Clear smoke from goggles

Question 11

Normal mode O2 masks does what?

Answer 11

On demand and mixed according to pressure altitude. Pure 02 above 33k

Question 12

Oxygen for FA and PAX?

Answer 12

Oxygen generators

Question 13

AUTO deploys cabin masks when?

Answer 13

Above cabin alt 14K

Question 14

How do latches open?

Answer 14

Electrically…latches open for 6 seconds

Question 15

ON light on Passenger Oxygen Control Panel Means?

Answer 15

the latches have opened

Question 16

How do PAX masks activate

Answer 16

By pulling on one in a bundle

Question 17

How long do Oxygen Generators last once active?

Answer 17

12 minutes

Question 18

If PAX Oxygen door doesn’t open automatically, how do you open it?

Answer 18

There is a door opening tool

Question 19

Minimum Portable oxygen bottle for dispatch

Answer 19

1200 psi

Question 20

Portable Bottle will last how long?

Answer 20

30 minutes

Question 21

PBE has oxygen for how long?

Answer 21

15 minutes

Question 22

Crew Oxygen mins for dispatch?

Answer 22

2 - 1100

3 - 1500

Question 23

Why is there a chart on oxygen service door?

Answer 23

To correct for temperatures