SELF-CHECK 5 OXYGEN (Ch.21)

Question 1

The G200 oxygen system provides breathing oxygen for _________?

A. Up to 19 Passengers
B. Up to 2 crew members
C. Both A and B
D. None of the above

Answer 1

C. Both A and B.

Up to 19 Passengers.
p to 2 crew members.

Question 2

At 21ºC (70ºF), what is normal oxygen pressure in a full cylinder?

A. 1,300 PSI
B. 1,500 PSI
C. 1,850 PSI
D. 2,775 PSI

Answer 2

C. 1,850 PSI.

Question 3

If oxygen pressure in the cylinder reaches between 2,500 and 2,775 PSI, a metal disc will blow out, releasing the pressure overboard.

A. True
B. False

Answer 3

A. True.

Question 4

A pressure reducer reduces the pressure of the oxygen system from the cylinder down to ___ PSI.

A. 50
B. 60
C. 70
D. 80

Answer 4

C. 70 .

Question 5

What types of oxygen masks are on board?

A. “Dixie cups” for the passengers
B. EROS quick donning for the crew
C. Therapeutic masks for connection into the wall outlets
D. All of the abov

Answer 5

D. All of the above.

“Dixie cups” for the passengers.
EROS quick donning for the crew.
Therapeutic masks for connection into the wall outlets.

Question 6

Where are the crew oxygen masks located?

A. Connected to the back of the seat
B. In a box in the ceiling
C. Side consoles
D. None of the above

Answer 6

C. Side consoles.

Question 7

What activates oxygen flow to the passenger oxygen masks?

A. A switch in the closet
B. It flows from the beginning
C. Pulling the lanyard
D. Both A and C

Answer 7

C. Pulling the lanyard.

Question 8

How many therapeutic oxygen outlets are installed on the G200?

A. One
B. Two
C. Three
D. Four

Answer 8

B. Two.

Question 9

How do the crew masks inflate?

A. Pressing the red touch plates
B. Pulling the lanyard
C. Automatically when cabin altitude exceeds 13,500 ft
D. The crew must pump them up manually

Answer 9

A. Pressing the red touch plates.

Question 10

How does the crew select emergency on the crew masks, and what does this do?

A. Rotate oxygen selector counterclockwise, supplies a slight positive pressure
B. Rotate oxygen selector clockwise, supplies a slight positive pressure
C. Rotate oxygen selector counterclockwise, supplies a slight negative pressure
D. None of the above

Answer 10

A. Rotate oxygen selector counterclockwise, supplies a slight positive pressure.

Question 11

Placing the PASSENGER OXYGEN control switch in the AUTO position _______?

A. Activates passenger oxygen automatically if the landing field elevation is 8,500 feet or below, and the cabin pressure exceeds 13,500 ± 250 feet.
B. Activates passenger oxygen automatically if the landing field elevation is above 8,500 feet, and the cabin pressure exceeds 14,750 ± 250 feet.
C. None of the above
D. Both A and B

Answer 11

D. Both A and B.

Activates passenger oxygen automatically if the landing field elevation is 8,500 feet or below, and the cabin pressure exceeds 13,500 ± 250 feet.
Activates passenger oxygen automatically if the landing field elevation is above 8,500 feet, and the cabin pressure exceeds 14,750 ± 250 feet.

Question 12

Placing the PASSENGER OXYGEN control switch in the ON position _______?

A. Activates passenger oxygen manually
B. Arms the auto mode of the passenger oxygen masks
C. Arms only the pilots oxygen
D. None of the above

Answer 12

A. Activates passenger oxygen manually.

Question 13

The oxygen BYPASS VALVE is normally in the OFF position. The ON position enables passenger oxygen activation is case of electrical failure or solenoid valve malfunction.

A. True
B. False

Answer 13

A. True.

Question 14

Under what circumstances will the crew receive a OXY MASKS PRESS LOW message?

A. Oxygen pressure to the crew is below 55 PSI
B. Oxygen pressure to the passengers is below 55 PSI
C. Neither A nor B
D. Either A or B

Answer 14

D. Either A or B.

Question 15

Under what circumstances will the crew receive a OXY QTY LOW message?

A. Oxygen pressure is less than 500 PSI
B. Oxygen pressure is less than 600 PSI
C. Oxygen pressure is less than 700 PSI
D. Oxygen pressure is less than 800 PSI

Answer 15

D. Oxygen pressure is less than 800 PSI.

Question 16

Where is the oxygen cylinder located?

Answer 16

In the nose compartment of the airplane.

Question 17

Where is the oxygen pressure displayed?

Answer 17

On the EICAS page 2, Systems Page.

Question 18

How many oxygen masks are in the drop-down boxes in the cabin? In the lav?

Answer 18

Twelve (3 per box) in the cabin, and 2 in the lavatory box.

Question 19

The crew oxygen mask controls has NORMAL, 100%, and EMERGENCY position. Regardless of settings, at what cabin altitude would the oxygen mask produce 100% Pressurized oxygen?

Answer 19

32,000 feet.

Question 20

How is the vent valve on the oxygen mask activated?

Answer 20

By sliding it down.

Question 21

If the OXY MASKS PRESS LOW EICAS comes on, what needs to be done?

Answer 21

Pressure to the masks is below 55PSI. Check that OXYGEN SHUTOFF switch is ON. If it is, descend to 12,500 feet or below.

Question 22

What indication alerts the crew that the Passenger Oxygen is on?

Answer 22

The red PASS OXYGEN ON light (right side panel) illuminates.

Question 23

When is the Bypass Valve switch used?

Answer 23

Electrical power failure or solenoid valve malfunction.

Question 24

How is the crew alerted that oxygen quantity is low?

Answer 24

The crew will receive a status EICAS message (OXY QTY LOW) and the digital oxygen pressure readout on EICAS Page 2 will turn amber.

Question 25

If the pilot stows his/her oxygen mask but does not close the door, is the oxygen supply shut off?

Answer 25

No.