2204 Flashcards
1
Q
understand both the characteristic of the atmosphere?
A
Aircraft Physiology/ Flight Physiology
2
Q
how many percent of nitrogen in earth
A
78%
3
Q
how many percent of oxygen in earth
A
21%
4
Q
this organ supplies oxygen to the blood
A
Lungs
5
Q
provide air-condition pressurization
A
Cold bleed air
6
Q
as pressure decreases the ________ also decreases
A
density
7
Q
as the temperature increases the density ________
A
decreases
8
Q
respiratory and circulatory work together
A
Human Respiration and Circulation
9
Q
sudden change of altitude
A
G- force
10
Q
common when the body lacks of sufficient oxygen
A
Hypoxia
11
Q
4 kinds of Hypoxia
A
Hypoxic Hypoxia, Hypemic Hypoxia, Stagnant Hypoxia, Histotoxic Hypoxia
12
Q
lack of oxygen at high altitude
A
Hypoxic Hypoxia
13
Q
blood unable to carry oxygen
A
Hypemic Hypoxia
14
Q
poor circulation of blood
A
Stagnant Hypoxia
15
Q
cells unable to carry oxygen
A
Histotoxic Hypoxia
16
Q
symptoms of hypoxia
A
Euphoria, Impaired judgement| Dizziness, Confusion| loss of muscle control, unconsciousness| time of useful consciousness, decrease of altitude.
17
Q
major threat in aviation
A
Hypoxia
18
Q
deals with compressed or pressured gas as a source of power
A
Pneumatic System
19
Q
5 used or where it supplies the pneumatic sytem
A
Air conditioning, wing anti ice, water pressurization, hydraulic reservoir pressurization, engine starting.
20
Q
This are air leakage detection loops,
A
BMC’s/ BMC
(Bleed Monitoring Computer)
21
Q
When the BMC2 fails who provides pressurize air?
A
BMC 1 and APU
22
Q
When BMC 1 fails who provide pressurize air?
A
BMC 2 only without APU
23
Q
two compressor stages of the engine?
A
IP (Intermediate Pressure) port, HP(High Pressure) port
24
Q
Standard Temperature of the air at sea level
A
15 degree Celsius or 59 degrees Fahrenheit
25
this section is only used when insufficient pressure is provided by IP
HP High Pressure section
26
the air extracted from the compressor then goes to a ________?
Bleed Valve
27
in acts as a shut off and regulating valve
Bleed Valve
28
This cools the pressurize air coming from the engine bleed air.
Precooler
29
what is ECAM?
Electronic Centralized Aircraft Monitor
30
Above what where the air temperature stabilizes
36,000ft
31
What is TAT and SAT in ECAM
Total Air Temperature, Static Air Temperature
32
as lift decreases the ____ increases
weight
33
as the drag increases the ______ decreases
Thrust
34
clouds have no ice but have a _______?
supercooled water droplets
35
engines can also have a problems when there is _________
ice build up
36
design to keep atmospheric ice accumulating on aircraft surfaces
Ice protection system
37
2 basic Hazards of ice or frost
decrease the amount of lift, additional weight leading to unbalancing of the aircraft.
38
2 types of ice encountered in floght
Clear Ice, Rime Ice
39
forming of smooth gheet of ice, when droplets are large, and it is heavy and tenacious
Clear Ice
40
Forms when water drops are small, initial impact freezes rapidly, white appearance, and it is lighter.
Rime Ice
41
2 ways to protect from ice
Anti Icing system, Ice detection
42
it can be detect visually
Ice detector System
43
comes on to alert the flight crew.
annunciator light
44
components where ice and rain protection used.
* wing leading edges
* horizontal and vertical stabilizers leading edges
* engine cowl leading edges
* Propellers
*Propeller Spinner
*Air data probes
* Flight deck windows
* water and waste systems lines and drains
* antenna
45
from business jet to large aircraft typically uses hot air bled from the engine
Thermal Wing Anti Ice
46
used to prevent ice or for deicing airfoil leading edges.
Thermal System/ Thermal Pneumatic Anti Icing
47
aircraft leading edges slats often use bleed air from the engine compressor.
Leading edge slat anti ice system
48
electric is use to heat various components, limited to small components
Thermal Electric anti icing
49
______, __________ and ______, are also heated with electricty to prevent icefromforming.
water lines, waste water drains, turbo prop inlet cowls
50
used in some aircraft to anti ice the leading edges of the wings, stabilizers etc., often called weeping wiping, anti freeze solution, liquid flows over the wings
Chemical Anti Icing
51
many propellers are deiced by electrically boot
electrothermal propeller device system
52
single engine, GA aircraft uses what? for propellers, a glycol based fluid
chemical propeller de ice
53
made of layers of rubber, multiple chambers used, placed on leading edges, rapidly inflated, rapid change of shape
Pneumatic deicing boot
54
2 most common use for rain protection in aircrafts are?
wind shield wipers and chemical rain repellant
55
driven by electrical motors to wipe the windshields
windshield wiper system
56
water poured onto cleaned glass spreads out evenly, high velocity split stream, like a mercury in glass when placed
Chemical Rain Repellant
57
also called hydrophobic coating.
Windshield surface seal coating
58
at 15,000ft oxygen level in blood stream drops to
81%
59
at 22,000ft oxygen level in bloodstream is
68%
60
at 25,000ft the oxygen level in bloodstream within 5 minutes decreases in what percent
50%
61
to
supplement the ever decreasing amount of oxygen available in the
atmosphere.
Provide Pure oxygen
62
to create an
atmosphere that is similar to that experienced naturally at lower
altitudes.
Pressurized the aircraft
63
operate at
altitudes of about 45,000 ft.
Modern Jet Aircraft
64
•The cabin pressure is usually
expressed by
Cabin pressure altitude or Cabin Altitude
65
The increase of cabin altitude is always
decrease of the cabin ________ and a
___________ of cabin altitude is an
increase of cabin pressure.
Pressure, decrease
66
the air is thin enough to
require supplemental oxygen for humans
to function normally.
above 10,000ft
67
with the capability to fly at high
altitudes usually have oxygen systems
installed for the use of crew and/or
passengers.
Modern Aircraft
68
In case of a loss of cabin pressure,
_________ above your seat will
deploy.
Oxygen Mask
69
•The best condition for passenger comfort
Pressurize the cabin
70
•The best condition for the aircraft structure
No pressurization at all
71
•The regulations state that it is reasonable to pressurize the
cabin to a value which correspond to an altitude
8,000ft
72
Before reaching ________the flight crew
gets a warning to put on the _________
10,000ft and oxygen mask
73
At ___________ the oxygen masks are __________released from the passenger
cabin ceiling.
14,000ft, automatically
74
At the 15,000 ft __________ must close
automatically and independently of the
control signals.
outflow valves
75
It allows oxygen to flow from the
storage, Installed to reduce storage
cylinder pressure to a usable
level.
Regulator
76
CHARACTERISTIC OF OXYGEN
Oxygen is colorless, odorless and tasteless, and it is extremely
active chemically.
77
It will combine with almost all other
elements and with many com pounds.
Oxygen
78
Among the more common ones sources of oxygen
gaseous oxygen stored in steel cylinders, liquid oxygen stored
in specially constructed containers called Dewar, and oxygen
generated
79
Sometimes called dewar flask
Dewar
80
general aviation fleet use
gaseous oxygen stored in
steel cylinders under a
pressure of between
1,800
and 2,400 psi.
81
general aviation fleet use
___________________under a
pressure of between 1,800
and 2,400 psi.
gaseous oxygen stored in
steel cylinders
82
is a pale blue, transpar
ent liquid that will remain in its liquid
state as long as it is stored at a
temperature of below 18.
Liquid oxygen
83
A convenient method of carrying oxygen for emer gency
uses and for aircraft that require it only occa sionally is
the
Solid Oxygen Candle
84
have an almost unlimited shelf life
and do not require any special storage conditions.
solid oxygen candles
85
Many large transport aircraft use
___________________ as a supplemental source of
oxygen to be used in the event of cabin depressurization.
Solid oxygen generators
