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EGF216 ENVIRONMENT Flashcards | StudBud
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EGF216 ENVIRONMENT
water separator is located upstream of the turbine
Colour of O2 cylinders safety disks
EGF216 ENVIRONMENT
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1
Colour of O2 cylinders safety disks
Blue
Red
Green
Yellow
2
water separator is located upstream of the turbine
True
False
3
Transport Category aircraft maintains airplane environmental control for
All the above
equipment cooling
passengers and crew comfort
Livestock & Perishable
4
A negative pressure relief valve opens
when cabin pressure exceeds outside pressure
when Outflow valve fails to open
when cabin and ambient pressures are equal
when outside pressure exceeds cabin pressure
5
Cabin pressure is maintained at specific cabin altitude as flight altitude changes is
Constant range
Isobaric range
Constant Differential Pressure
Un-pressurised range
6
What controls the cabin pressure?
Engine bleed air
Inflow valve
Outflow valve
PACK air supply
7
cabin safety valve will relieve at a higher differential pressure than outflow valve
False
True
8
outflow valve is fully open when the aircraft is on the ground.
True
False
9
High-pressure O2 cylinder is
Black in colour
black color and words "Aviators' Breathing Oxygen" printed
"Aviators' Breathing Oxygen" printed
green color and words "Aviators' Breathing Oxygen" printed
10
air grills mounted below passenger cabin sidewall to allow conditioned airflow return flow is
Dado panels
Aesthetic panel
Return grills
Relief valve
11
Air supply complete cabin exchange at about ____
air changes / hour
.
2.5
25
100%
50%
12
lack of oxygen causes a person to experience headache and dizziness is called
obnoxious
hypoxia
anoxia
atrocious
13
Which valve prevents cabin from being pressurised after landing?
Negative relief valve
Ditch valve
Dump valve
Positive valve
14
In the Diluter-Demand flow regulation, pure oxygen can be supplied to the mask when in ____
Rapid Descend Mode.
Smoke Mode
Emergency Mode.
Continuous Mode.
15
Types of water separator in use are
Swirl vane
Coalescer
All the above
Bag
16
What is the purpose of trim air valve?
To trim air pressure entering the cabin
To trim air flow entering the cabin
To add hot bleed air to achieve a desired cabin temperature
To add cold bleed air to achieve a desired cabin temperature
17
Which valve prevents cabin pressure from exceeding max cabin-to-ambient pressure differential
Positive Pressure Safety Valve
Ditching Valve
Outflow Valve
Negative Pressure Safety Valve
18
Differential pressure is the difference in
Airfield pressure and aircraft altitude
Pressure before and after the Outflow valve
Cabin pressure and aircraft altitude
Sea level and high altitude
19
Advantages of ACM are
No maintenance required
Simplicity, reliability and economical
Low noise emission
Light weight
