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2ND SEMESTER_MIDTERM > AC ENVIRONMENT AND AUXILIARY SYSTEM2 > Flashcards

AC ENVIRONMENT AND AUXILIARY SYSTEM2 Flashcards

1
Q

It is VERY IMPOTENT for human for breathing.

A

OXYGEN

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2
Q

A lack of oxygen causes a person to experience a
condition

A

HYPOXIA

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3
Q

Altitude = Increase
Oxygen = Decrease
Density Of Air = Decrease

A

ALTITUDE = INCREASE

OXYGEN = DECREASE

DENSITY OF AIR = DECREASE

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4
Q

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

A

40,000 FEET

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5
Q

TWO WAYS

A

1) Increase the pressure of the oxygen or

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

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6
Q

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

A

Nitrogen: 78%

Oxygen: 21%

Carbon dioxide:

Argon:

All others:

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7
Q

3 Types of Oxygen

A

GASEOUS OXYGEN

LIQUID OXYGEN

SOLID OXYGEN

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8
Q

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

A

OXYGEN

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9
Q

Oxygen transforms into a liquid at _______.

A

-183ºC

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10
Q

The combination of oxygen with most elements and numerous compounds.

A

OXIDATION

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11
Q

Oxidation produces _____.

A

HEAT

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12
Q

Pure oxygen combines violently with __________ products creating a significant hazard

A

PETROLEUM

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13
Q

Pure gaseous oxygens are typically painted _________.

A

GREEN

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14
Q

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

A

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

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15
Q

It could prevent delivery of the oxygen when
needed.

A

ICE

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16
Q

Aircraft often operate in _____________________, increasing the possibility of icing

A

SUBZERO TEMPERATURES

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17
Q

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

A

ELECTROLYSIS OF WATER

17
Q

Color of Liquid oxygen (LOX)

A

PALE BLUE

TRANSPARENT LIQUID

18
Q

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

A

DEWAR BOTTLE

19
Q

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

A

DOUBLE-WALLED

20
Q

It is used nearly exclusively in military aviation.

A

LIQUID OXYGEN (LOX)

21
Q

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

A

SOLID OXYGEN CANDLES

22
Q

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.

A

SPRING-LOADED FIRING PIN

23
Q

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

A

LONG SHELF LIFE

24
Q

Sodium chlorate chemical oxygen are inert _____________________.

A

BELOW 400ºF

25
Q

4 Oxygen Systems and Regulators

A
  • Continuous-Flow Systems
  • Demand-Flow Systems
  • Flow Indicators
  • Oxygen Plumbing and Valves
26
Q

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.

A

CONTINUOUS-FLOW SYSTEM

27
Q

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

A

VALVE

28
Q

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

A

PASSENGER SERVICE UNIT (PSU)

29
Q

They are normally stores behind a separate hinged panel.

A

4 YELLOW Continuous Flow Oxygen Masks

30
Q

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

A

CONTINUOUS FLOW OXYGEN MASKS

31
Q

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

A

VENT HOLES

32
Q

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

A

DEMAND-FLOW SYSTEM

33
Q

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

A

Electronic Pulse Demand Oxygen Delivery Systems (EDS)

34
Q

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

A

SMALL, PORTABLE EDS UNIT

35
Q

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.

A

FLOW INDICATOR

SMALL PORTABLE EDS UNIT

36
Q

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

A

TUBING and FITTINGS

37
Q

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

A

FLEXIBLE PLASTIC HOSING

38
Q

5 Types of Valves

A

Filler

Check

Shutoff

Pressure reducer

Pressure relief

39
Q

It specifically designed to open slowly.

A

OXYGEN SHUTOFF VALVE

40
Q

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

A

FINE-PITCH THREADS

REGULATING STEM

41
Q

It is also included to assure the valve closes
completely.

A

SOFT VALVE SEAT

2ND SEMESTER_MIDTERM (8 decks)

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