Praetor Oxygen System

Question 1

How many oxygen cylinders supply oxygen to both crew and passengers?

Answer 1

One

Question 2

When will the passenger oxygen masks automatically deploy with the Oxygen Knob in PAX AUTO?

Answer 2

If the cabin altitude exceeds 14,500 feet (+/- 300 feet)

Question 3

What are the two capacities of oxygen bottles available?

Answer 3

77 liters and 115 liters

Question 4

Where are the oxygen system parameters and indications displayed?

Answer 4

On the status synoptic page

Question 5

What are the selections that can be toggled between on the MODE SELECTOR on the oxygen mask?

Answer 5

N (normal mode), 100% and EMGCY

Question 6

What position must the MODE SELECTOR be set to in order to stow the oxygen mask?

Answer 6

100%

Question 7

What is the purpose of the OXYGEN SAVER PUSH-PULL BUTTON on the oxygen mask?

Answer 7

To allow the crew to breath cabin air when the oxygen supply is not required

Question 8

Which mode can the OXYGEN SAVER PUSH-PULL BUTTON be pushed in?

Answer 8

Only in the N(normal) mode

Question 9

What does the oxygen pressure in green indicate?

Answer 9

It is in the normal range of operation

Question 10

What does the oxygen pressure in white indicate?

Answer 10

It is an advisory operating range, and the oxygen dispatch pressure charts must be referenced for the minimum pressure to dispatch

Question 11

How many smoke goggles are provided?

Answer 11

One for each flight crewmember

Question 12

Can smoke or toxic fumes be purged from the smoke goggles? How?

Answer 12

Yes, by the vent valve

Question 13

The oxygen mask is designed to be donned within how many seconds?

Answer 13

Five seconds

Question 14

When must the Oxygen Saver Push-Pull Button be manually closed?

Answer 14

In case of fire or smoke

Question 15

Does the oxygen mask need to be removed from the stowage box to be tested?

Answer 15

No

Question 16

How is the oxygen mask tested?

Answer 16

Turn on the Comm Panel Speaker select, then press both the PRESS TO TEST AND RESET button on the LH door and the PRESS to TEST button on the regulator simultaneously for 1 second (ensure the flow indicator goes out during the test which leak-test the inflation hose and airflow can be heard in the mask) and the mic can be heard through the speakers

Question 17

When must the Oxygen Cylinder Toggle switch not be set to ON?

Answer 17

When the ambient temperature is below -15 degrees celcius