Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

M11 > Pneumatics And Airconditioning > Flashcards

Pneumatics And Airconditioning Flashcards

1
Q

What part of the air cycle machine where air is expanded and cooled

A

Turbine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Sources of pneumatics in flight

A

Engine, APU

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Used to regulate engine bleed air pressure

A

Bleed valve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Used to distribute pneumatics

A

Pneumatic ducts

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Where are the pressurized zones

A

Cockpit, cabin, cargo, avionics compartment

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Where are the unpressurized area

A

Landing gear bays, radome, tail cone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Different functions of air conditioning system

A

Cools, pressurizes, heats, ventilates

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the reasonable cabin altitude

A

8,000 ft

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What regulates the supply of pressure that correspond to the flight altitude

A

Outflow valve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Computer that regulates the amount of trim air that is mixed with the called air that flows out through the pack

A

Zone controller

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Computer that regulates the temperature of the cold air that gives the pack

A

Pack controller

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Cooling device that is considered to be very effective

A

Heat exchanger

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Cooling device that is used when engine bleed air is not available

A

Vapor cycle machine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Cooling device that is used in most jet aircraft

A

Air cycle machine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Recirculation system consist of

A

Filter, check valve, fan

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What are the different components of the air cycle machine

A

Turbine, compressor, fan

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Used to minimize the amount of ozone in the cabin that can harm person

A

Ozone converter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Control valve that determines the amount of air going to the cabin

A

Pack flow control valve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Part of the air cycle machine that causes the air to expand causing the pressure and temperature to decrease

A

Turbine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What are the negative effects of water in the cabin?

A

Corrosion and discomfort

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Where can we see the pack controllers?

A

Located in the avionics compartment

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Distribute cold air from the pack to different zones in the cabin

A

Mixing unit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

What are the 2 different ways to distribute cold air to the cockpit?

A

Directly from the pack or by aerodynamic way

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Supplies ambient air to pack when all packs fail

A

Emergency ram air inlet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

This allows individual control of all zones

A

Trim air valve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

System that remove hot, humid, and stale air

A

Ventilation system / extraction fan

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Different cargo compartment types for air conditioning

A

Ventilated, nonventilated, heated, and unheated

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

How to ventilate cargo compartments

A

Blower fan and extraction fan

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

How to heat cargo compartment

A

Bleed air or electrical heaters

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Ways to cool avionics compartment

A

a.) Heat exchanger (using aircraft skin)
b.) Extractor valve (nilalabas yung init)
c.) Discharged cabin air (pinapasok ung cold air from cabin)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

Cabin rate that we shouldn’t exceed

A

+500 ft and -300 ft

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

This means that pressure in the cabin is lower than the ambient pressure

A

Negative differential pressure

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

What cabin altitude will oxygen masks automatically release from passenger cabin seats

A

14,000 ft

34
Q

What cabin altitude will relief valve open?

A

15,000 ft

35
Q

For safety reasons, how many persons do we need inside the cockpit during cabin pressurization test

A

2

36
Q

Installed in the cargo compartment to avoid excessive pressure difference between different pressurized areas

A

Blowout panels

37
Q

Cabin pressure regulation failure this valve protects the aircraft structures against structural damage in excessive differential pressure

A

Safety valve

38
Q

Principles of cooling or heat transfer

A

Heat is a form of energy where it cannot be destroyed nor made. It can only be transformed. Heat can only flow from an object to a cooler object

39
Q

What is the relationship between pressure and altitude

A

Pressure decreases as altitude increases

40
Q

What is the relationship between humidity and temperature

A

Humidity increases as temperature increases

41
Q

Parts/components of recirculation system

A

Check valve, filter, and fan

42
Q

It isolates the bleed air from the Left to
Right- Wing pneumatic ducts?

A

Cross bleed valve (Airbus) or Isolation Valve (Boeing)

43
Q

Which computer controls the Isolation
Valve?

A

Pneumatic Controller (PC)

44
Q

What is the role of Bleed Valves?

A

For Pressure Regulation function, shutoff function, check valve function,
overtemperature control function

45
Q

When is the LP Valve used?

A

When the Pneumatic system is in the normal condition wherein the LP stage is sufficient source of bleed air

46
Q

Which computer controls the HP Valve?

A

Pneumatic Controller (PC)

47
Q

If there a leakage on our Pneumatics what are the indications?

A

FAULT is illuminated on the overhead
panel and Amber color + closed valves indication on the ECAM

48
Q

Does the APU Bleed Valve regulate the PSI?

A

No, it only has a shutoff function and it is controlled by Pneumatic controller and
push button S/W on the cockpit

49
Q

Computer for ducting and monitored by?

A

Pneumatic Controller and monitored by
Leak Detection system which is Loop Detector

50
Q

Where are the sources of our Pneumatic
supply?

A

HP Ground Supply (Ground Cart),
APU, Engine (HP or LP Compressor)

51
Q

What are the two valves used on some aircraft for Pressure regulating system?

A

Pressure Regulator Valve, Bleed Valve

52
Q

Which computer controls the Fan Air Valve?

A

Pneumatic Controller

53
Q

What is the purpose of the Fan Air Valve?

A

It is used to allow more or less fan air from the engine fan duct to pass the
precooler

54
Q

What is the purpose of manual override
control in the HP Valve?

A

Locks the HP valve in a closed position
if there is a fault in the operation of the valve

55
Q

What are the primary components of Air Cycle Machine

A

Compressor, Turbine, and Fan

56
Q

What is the composition of Heat Exchanger?

A

Primary and Secondary Heat Exchanger

57
Q

What cools the Primary and Secondary Heat Exchanger?

A

Ram Air

58
Q

What the normal Cabin Altitude?

A

8.000 feet

59
Q

What is the function of the Turbine in the ACM?

A

It expands the air, causing the pressure and temperature to decrease

60
Q

What is the function of the Ozone
Converter?

A

To minimize the amount of ozone in the
Cabin by using a catalyst which converts the ozone to harmless oxygen

61
Q

How do we control the air temperature in our Primary and Secondary Heat
Exchanger?

A

By adjusting the opening RAM air inlet door and RAM air exit door

62
Q

What are the components of Recirculation System?

A

Check Valve, Recirculation Fan, Air Filter

63
Q

What do you call to the Passengers individual Air supply system below the hat racks?

A

Gasper System

64
Q

How do we detect ice formation in our Air Conditioning system?

A

Out Pressure transmitter send
differential pressure information between the water separator inlet and outlet to the PACK controller

65
Q

What component do we use in an event of all PACKS system inoperative?

A

Emergency RAM Air Inlet door flap

66
Q

What are the three ways to shut down the Trim Air Valve?

A

When the PACK is not working. Trim
Air Valve is blocked in open position, or Air Pressure Regulator is Closed

67
Q

What is function of Isolation Valves?

A

They must close in the event of cargo fire to stop the airflow

68
Q

What are the Cargo Heating system in the Aircraft?

A

Heating system using either by Hot Bleed Air or Electrical Heaters

69
Q

What computer is used to control the
ventilation of our avionics compartment?

A

Avionics Equipment Ventilation
Computer (AEVC)

70
Q

The Source of air for cooling of E/E
Compartment during ground?

A

Ambient Air/RAM Air

71
Q

The source of air for cooling of E/E
Compartment during flight?

A

Cabin Air

72
Q

The Source of air for cooling of E/E
Compartment during smoke event?

A

Air Conditioning

73
Q

What happens to our air during Inboard Mode?

A

Air flows through E/E Compartment
then goes to the underfloor area (FWD Cargo Compartment)

74
Q

What happens to our air during Outboard mode?

A

Air goes out of the aircraft through
Overboard Valve

75
Q

What kind of Heat Exchanger is used on our system?

A

Air to Air Heat Exchanger

76
Q

Where is our Air Conditioning System is
located?

A

Center Wing Box

77
Q

When does the Extraction Fans open?

A

When the Aircraft is energized

78
Q

When does the Extraction Fans closes?

A

When there’s enough differential
pressure is present to transport the air

79
Q

Protection Function during 10,000 ft cabin altitude?

A

Flight Crew gets a warning to put on the
oxygen masks

80
Q

Protection Function during 14,000 ft cabin altitude?

A

Oxygen masks automatically released from the passenger cabin ceiling

81
Q

Protection Function during 15,000 ft cabin altitude?

A

Outflow Valves must close
automatically

82
Q

What safety procedure we do before turning
ON the Air Conditioning system on ground?

A

We need at least 1 open door or window

M11 (14 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions