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A320 > Air Condiotining > Flashcards

Air Condiotining Flashcards

1
Q

Quais são os componentes do air conditioning system ?

A 
2 air conditioning system controllers 
2 air conditioning packs 
Trim air 
Ram air 
Cabin recirculation fans 
Avionics ventilations
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2
Q

Quais são as três zonas de operação do air conditioning system ?

A

Cockpit
Aft cabin
FWd cabin

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3
Q

O que as packs recebem de pressão das engine bleeds e apu bleeds or ground source ?

A

High pressure

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4
Q

Como a pack e operada para obter temperatura independe para as 3 zonas ?

A

Packs operam junto à trim air system

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5
Q

O que faz a mixing unit ?

A

Mistura o ar das packs com o ar recirculado e distribui para as três zonas

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6
Q

O que regula o resfriamento do air flow ?

A

Dois air conditioning system controllers onde cada um possui dois canais

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7
Q

O que o air conditioning system controller one controls ?

A

Pack one
Hot air regulating valve
Cockpit trim air valve

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8
Q

O que o air conditioning system controller two controls ?

A

Pack 2

Fwd and aft trim air valve

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9
Q

Quando em cruzeiro quanto podemos modificar a temperatura das zonas ?

A

Mais ou menos 2,5 graus

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10
Q

Como e controlado o hot airflow de todas trim air valves ?

A

Controlado pelo hot air pressure regulator valve

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11
Q

Quando em solo a aeronave poderá ter ar condicionado através da ground e para onde vai esse ar ?

A

Direto pra mixing unit antes de ser distribuído

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12
Q

O que é a Ram air ?

A

Usada durante emergência para gerar cabin ventilation during depressurization

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13
Q

Quando a ram air e utilizada ?

A

Durante o voo abaixo de 10000

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14
Q

QuNdo a válvula de ram o air não irá abrir ?

A

Se o diferencial de pressão passar de 1psi

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15
Q

O que controla o automatic ventilation system?

A

Aevc avionic equipments ventilations computer

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16
Q

O que faz o avionic ventilations system?

A

Resfria os avionics e parte elétrica

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17
Q

Qual é o ar que o avionics ventilations system USA ?

A

External air
Conditioned air
Skin heat exchanger air cooling

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18
Q

Como é feita a ventilação na bateria ?

A

Venturi skin of the aircraft draw air from the space around the batteries and vents overboard

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19
Q

Como é feito a ventilação dos lavatórios e da galley

A

An extraction fan draws ambient cabin air through the lavatories and valleys and exhaust it near the outflow valve

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20
Q

Which of the air conditioning system controllers controls the cabin zone temperature ?

A

Air conditioning system controllers 2

21
Q

Which of these ecam pages display information about the air conditioning system?

A

Crise Cond bleed press

22
Q

What is the purpose of the ram air system?

A

To ventilate the cockipir and cabin when unpressurized and no packs are operating

23
Q

When the air conditioning system will close the pack flow control valve ?

A

Packs overheat
Fire pushbutton is pressed of engine
Ditching se is selected ON (cabin press )

24
Q

O que acontece no solo com a pack depois da primeira engine start do dia ?

A

Abre após 30s mas atrasa um minuto pra a segunda engine ser ligada

25
Q

Como é feito a cooling das packs ?

A

Pack driven cooling fan e em voo a cooling air é dada pela ram air

26
Q

Quando a temperatura que sai do compressor fica em âmbar ?

A

Acima de 260graus

27
Q

O que o water separator system faz?

A

Dries air before enters the turbin section

28
Q

O que faz a bypass valve ?

A

Control output temperature of the air from this pack

29
Q

Pack outlet temperature

A

25 normally green

91 becomes amber after 90

30
Q

Em situações anormais o que acontece com a hot air pressure regulating valve if the ducts overheat, cabin and cockpit trim air valves fails ? To

A

Air conditioning controller close de hot valve

31
Q

The hot air pressure regulating valve remains operative when aft and fwd cabin trim air valve fails ?

A

No, just one .

32
Q

QuNdo a ram air inlet flaps fecha ?

A

Durante a decolagem quando set TO power
Durante o pouso até 70kt
Ela abrirá 20s depois que a velocidade cair de 70kt

33
Q

Qual é a temperatura do max e min das zonas de acordo com a seleção do cold or hot no air conditioning system?

A

18

30

34
Q

Como funciona a pack selector ?

A

De acordo com o número de passageiros
Lo 80% - below 115 pax
Norm 100%
Hi 120% - hot and humid conditions

35
Q

Quando a pack pode ser colocada em HI?

A

Single engine operation

apu supply bleed air

36
Q

If one lane of an air conditioning system controller fail …

A

The remaining lane takes over and the operation remains normal

37
Q

RegArdless of the selected flow rate the system delivers high flow when
In single pack operation or ….

A

When apu is supply bleed air

38
Q

Como o AEVC pode ser controlada ?

Avionic equipment ventilation computer

A

Automaticamente ou manualmente através do BLOWER pb e EXTRAT pb durante abnormal conditions

39
Q

O que acontece quando apenas o BLOWER Pb OVRD

A

Blower fan stop and the air conditioning inlet valves opens to supply cooling air

40
Q

O que acontece quando o extrat pb ovrd ?

A

Both fan continue run and the skin exchanger inlet bypass valve closes to force all recirculating air over the skit heat exchanger

41
Q

O que acontece quando é detectado smoke ?

A

Cause blower fault and extract fault warning
O blower fecha e o extrat continua aberto
Todas as válvulas fecham menos a do ar condicionado inlet

42
Q

O que acontece quando o aevc fail ?

A

Skin exhxhange isolation valve remains open
The inlet valve and skin exchange bypass valve remains in their last position
And the extract fan continue operate

43
Q

What is the normal configuration of avionic ventilation system during flight ?

A

Closed circuit

44
Q

What is the normal configuration of avionic ventilation system on the ground during warm day ?

A

Open circuit

45
Q

Which fan will the crew be directed to select to OVRD when the smoke configuration needs to be set ?

A

Both BLower and extract fans

46
Q

The fwd compartment has only an isolation valve sw and temperature selector ?

A

True

47
Q

If a duct overheat is sensed in the hot air system, the amber fault light in the hot air sw will illuminate, and the hot air vAlve will close automatically l.

A

True

48
Q

Whenever the cardio door is … such as upon arrival at the gate, the hot air valve automatically closes l, shutting off heat to the cargo compartment. To

A

Open

49
Q

With the isolation sw in …. if smoke is detected in the cargo compartment both isolation valves automatically close displaying as cross line amber on ECAM.

A

Auto

A320 (14 decks)

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