AC ENVIRONMENT AND AUXILIARY SYSTEM2

Question 1

It is VERY IMPOTENT for human for breathing.

Answer 1

OXYGEN

Question 2

A lack of oxygen causes a person to experience a
condition

Answer 2

HYPOXIA

Question 3

Altitude = Increase
Oxygen = Decrease
Density Of Air = Decrease

Answer 3

ALTITUDE = INCREASE

OXYGEN = DECREASE

DENSITY OF AIR = DECREASE

Question 4

About __________ we are able to get oxygen directly through the atmosphere without any equipment

Answer 4

40,000 FEET

Question 5

TWO WAYS

Answer 5

1) Increase the pressure of the oxygen or

2) Increase the quantity of oxygen in the air mixture.

Question 6

Nitrogen: 78%
Oxygen: 21%
Carbon dioxide:
Argon:
All others:

Answer 6

Nitrogen: 78%

Oxygen: 21%

Carbon dioxide:

Argon:

All others:

Question 7

3 Types of Oxygen

Answer 7

GASEOUS OXYGEN

LIQUID OXYGEN

SOLID OXYGEN

Question 8

It is COLORLESS, ODORLESS, and TASTELESS GAS at normal atmospheric temperatures and pressures.

Answer 8

OXYGEN

Question 9

Oxygen transforms into a liquid at _______.

Answer 9

-183ºC

Question 10

The combination of oxygen with most elements and numerous compounds.

Answer 10

OXIDATION

Question 11

Oxidation produces _____.

Answer 11

HEAT

Question 12

Pure oxygen combines violently with __________ products creating a significant hazard

Answer 12

PETROLEUM

Question 13

Pure gaseous oxygens are typically painted _________.

Answer 13

GREEN

Question 14

Technicians should be cautious to keep pure oxygen away from fuel, oil, and grease to prevent unwanted combustion.

Answer 14

Technicians should be CAUTIONS to keep pure oxygen away from fuel, oil, and grease to PREVENT unwanted combustion.

Question 15

It could prevent delivery of the oxygen when
needed.

Answer 15

ICE

Question 16

Aircraft often operate in _____________________, increasing the possibility of icing

Answer 16

SUBZERO TEMPERATURES

Question 17

Passing electric current through water separates the oxygen from the hydrogen.

Answer 17

ELECTROLYSIS OF WATER

Question 17

Color of Liquid oxygen (LOX)

Answer 17

PALE BLUE

TRANSPARENT LIQUID

Question 18

A special container is used to store
and transport liquid oxygen.

Answer 18

DEWAR BOTTLE

Question 19

A insulation design to keep the liquid oxygen under pressure at a very low temperature.

Answer 19

DOUBLE-WALLED

Question 20

It is used nearly exclusively in military aviation.

Answer 20

LIQUID OXYGEN (LOX)

Question 21

Those are formed chunks of sodium chlorate wrapped inside insulated stainless-steel housings to control the heat produced when activated.

Answer 21

SOLID OXYGEN CANDLES

Question 22

The chemical oxygen supply is often ignited by a __________________ that when pulled, releases a hammer that smashes a cap creating a spark to light the candle.

Answer 22

SPRING-LOADED FIRING PIN

Question 23

Sodium chlorate chemical oxygen generators also have __________________, making them perfect as a standby form of oxygen.

Answer 23

LONG SHELF LIFE

Question 24

Sodium chlorate chemical oxygen are inert _____________________.

Answer 24

BELOW 400ºF

Question 25

4 Oxygen Systems and Regulators

Answer 25

* Continuous-Flow Systems * Demand-Flow Systems * Flow Indicators * Oxygen Plumbing and Valves

Question 26

It allows oxygen to exit the storage tank through a valve and passes it through a regulator/reducer attached to the top of the tank.

Answer 26

CONTINUOUS-FLOW SYSTEM

Question 27

Once the ______ is opened, the flow of oxygen is continuous.

Answer 27

VALVE

Question 28

It is hinged over each row of seats in an AIRLINER.

Answer 28

PASSENGER SERVICE UNIT (PSU)

Question 29

They are normally stores behind a separate hinged panel.

Answer 29

4 YELLOW Continuous Flow Oxygen Masks

Question 30

They are simple devices made to direct flow to the nose and mouth of the wearer.

Answer 30

CONTINUOUS FLOW OXYGEN MASKS

Question 31

It allow cabin air to mix with oxygen and provide escape for exhalation.

Answer 31

VENT HOLES

Question 32

When oxygen is delivered only as the user inhales, or on demand, it is known as ___________________.

Answer 32

DEMAND-FLOW SYSTEM

Question 33

A recent development in general aviation oxygen systems is the _________________________.

Answer 33

Electronic Pulse Demand Oxygen Delivery Systems (EDS)

Question 34

It is made to connect between the OXYGEN SOURCE and the mask in a continuous-flow oxygen system.

Answer 34

SMALL, PORTABLE EDS UNIT

Question 35

It delivers timed pulses of oxygen to the wearer on demand, saving oxygen normally lost during the hold and exhale segments of the breathing cycle.

Answer 35

FLOW INDICATOR SMALL PORTABLE EDS UNIT

Question 36

It makes up most of the oxygen system PLUMBING and connect the various components.

Answer 36

TUBING and FITTINGS

Question 37

It is used deliver oxygen to the masks, its use is increasing in permanent installations to save weight.

Answer 37

FLEXIBLE PLASTIC HOSING

Question 38

5 Types of Valves

Answer 38

Filler Check Shutoff Pressure reducer Pressure relief

Question 39

It specifically designed to open slowly.

Answer 39

OXYGEN SHUTOFF VALVE

Question 40

Shutoff valve has ____________ and _______________ to slow the flow of oxygen through the valve.

Answer 40

FINE-PITCH THREADS REGULATING STEM

Question 41

It is also included to assure the valve closes completely.

Answer 41

SOFT VALVE SEAT