Week 2 Ice and rain

If pressure in the 02 system becomes excessive, the ______ valve will blow and the green ____-___ disc will deploy.

safety, blow-out

safety, blow-up

check, blow-out

relief, blow-up

safety, blow-out

What are the types of 02 available for aircraft use?

Demand, Diluted, LOX

Gaseous, Solid & Liquid

Gaseous, Liquid, Diluted

LOX, Coated, Demand

Gaseous, Solid & Liquid

02 cylinders must be ______________ tested how often?

environmentally, every year

environmentally, every few years

hydrostatically, every year

hydrostatically, every few years

hydrostatically, every few years

As altitude increases, oxygen pressure _________ and the saturation of the blood with oxygen is ____________.

decreases, insufficient

increases, insufficient

decreases, sufficient

increases, sufficient

decreases, insufficient

What demand type allows pure oxygen to be mixed with cabin air?

Pressure-Demand

Pure-Diluter

Pure-Demand

Diluter-Demand

Diluter-Demand

Why are shut-off valves designed to open slowly on oxygen cylinders?

prevent heat transfer

prevent moisture transfer

prevent icing transfer

prevent pressure transfer

prevent heat transfer

Aircraft pressurization systems on large transport type planes must be capable of maintaining _____ pressure at ____ feet regardless of cruising altitude.

cabin, 8000

density, 8000

cabin, 5000cabin, 5000

density, 5000

cabin, 8000

LOX containers are referred to as _____ bottles and 1 litre is equal to ___ litres of gaseous oxygen.

dewar, 840

dewar, 540

kevlar, 540

kevlar, 840

dewar, 840

Oxygen is colorless, how do know when the "flow" is on?

blinker

red circle

blow-out

color disc

blinker

How is the "service life" of the 02 bottle regulated?

cycles or tests

tests or fills

cycles or age

age or calendar

cycles or age

Moisture content in aviator's oxygen should be at what count?

7 ppm

5 ppm

20 ppm

9 ppm

7 ppm

Forcing oxygen into the lungs under pressure will ensure __________ of the _____ regardless of the altitude.

saturation, blood

saturation, oxygen

satisfaction, blood

satisfaction, oxygen

saturation, blood

High pressure oxygen plumbing is constructed from _________ steel and rated at ___ psi or above.

carbon, 350

stainless, 450

carbon, 450

stainless, 350

stainless, 450

What type of flow delivers 02 only when the user inhales?

Diluted

Demand

Continuous

Pure

Demand

At what pressure are oxygen cylinders considered "empty"?

10 psi

50 psi

100 psi

200 psi

50 psi

Newer designs of oxygen bottles are constructed from what materials?

carbon fiber and aluminum

steel and glass

steel and carbon fiber

aluminum and kevlar

aluminum and kevlar

Sodium ________ when ignited produces oxygen when it burns and is usable for __-__ minutes.

chlorate, 5-10

chlorate, 10-20

chorine, 10-20

chlorine, 5-10

chlorate, 10-20

What are some safety rules governing oxygen system servicing?

No open flames

All of the above

No grease or dirt

No concurrent work

All of the above

How is oxygen supplied to the crew and passengers through portable or permanent systems?

Bottled N2

Tanked N0X

Tanked N20

Bottled 02

Bottled 02

At sea level, oxygen pressure in the lungs is at approximately how much psi?

9

7

3

5

3

When aircraft are operated at high altitudes, they burn less ____ and drag is reduced because of low air _______.

oil, density

oil, density

fuel, density

fuel, delivery

fuel, density

High pressure 02 bottles are rated for ____-____ psi.

1800-1900

1800-1850

1500-2000

1000-2000

1800-1850

How do we identify the plumbing for oxygen systems?

color markers

coded tape

part number

witness marks

coded tape

How do we operate continuous flow 02 systems more efficient?

escape bags

rebreather masks

rebreather plumbing

escape masks

rebreather masks

Aviator's Oxygen is stored in _____ high pressure cylinders and is nearly pure at ____%

Yellow, 99.9

Green, 99.9

Green, 99.5

Yellow, 95.5

Green, 99.5

Open oxygen systems are rendered contaminated after how much time?

1 day

2 hours

2 days

1 hour

2 hours

Time of useful consciousness at 40K' MSL, is about how much?

5-10 minutes

15-20 seconds

10-20 minutes

5-10 seconds

15-20 seconds

Pressure regulation in the O2 system is delivered at what value?

50-60 psi

80-90 psi

60-85 psi

100-200 psi

60-85 psi

At what altitude is the saturation of blood oxygen reduced to about 80%?

15K '

10K '

20K '

30K '

15K '

Non-Pressurized small and medium size aircraft use ____________ oxygen during flight.

supplemental

environmental

additional

compensational

supplemental

This type of 02 system is very wasteful because oxygen is being delivered when ________.

demand, exhaling

continuous, exhaling

continuous, inhaling

demand, inhaling

continuous, exhaling

What are the two types of regulators in the cockpit for crew usage in the event of an Emergency?

Pressure & Demand

Continuous & Demand

Pressure & Diluted

Diluted & Demand

Pressure & Diluted

Emergency system operation requires the user to pull the _______ attached to the mask to initiate the ____ of 02

seatbelt, pull

lanyard, pull

seatbelt, flow

lanyard, flow

lanyard, flow

What are symptoms of Hypoxia?

impaired judgement

all of the above

blue lips

headaches and sleepiness

all of the above

What are the two flow types used on 02 systems?

demand & continuous

demand & diluted

demand and permanent

diluted & continuous

demand & continuous