Air Conditioning

Question 1

Heat exchanges function to reduce the temperature

Answer 1

Of the hot pneumatic air

Question 2

Pack outlet air temperature can be modulated downstream of the

Answer 2

Turbine by temperature control valve

Question 3

If air cycle machine fails, the pack

Answer 3

May be operated in Heat exchanger cooling or bypass mode

Question 4

Mixer unit is connected to packs, cabin air,

Answer 4

Emergency ram air inlet, low pressure ground connector

Question 5

Trim air valves optimize temperature by

Answer 5

Adding hot air

Question 6

Aircraft air conditioning system is controlled by

Answer 6

Two pack controllers, one zone controller

Question 7

Pack controllers control the pack outlet temperature via

Answer 7

The Ram air heat exchanger inlet / outlet flaps, temperature control valves

Question 8

Trim air valves are controlled by

Answer 8

Zone controller

Question 9

Pack airflow is modulated by

Answer 9

Pack flow control valve

Question 10

FAULT light in PACK for valve disagreement,

Answer 10

Pack outlet overheat, pack compressor overheat

Question 11

Zone temperature selectors on overhead AIR panel are

Answer 11

Cockpit and cabin

Question 12

Pack flow control valve closes automatically if

Answer 12

Eng start sequence is initiated, associated engine fire pb switch is pressed, ditching pb on

Question 13

Cargo ventilating air is received from

Answer 13

Cabin air

Question 14

Cargo compartment inlet and outlet valves and the extraction fans are controlled by

Answer 14

Cargo ventilation controller

Question 15

FWR Cargo compartment inlet air can be heated by

Answer 15

Trim air ducted upstream of PACK 1

Question 16

DITCHING ON cargo compartment isolation valves are closed and

Answer 16

Cargo extract fans stop automatically

Question 17

Cargo compartment ventilation and heating is controlled by

Answer 17

CARGO ventilation controller, dual channel

Question 18

Limitations air conditioning – passengers without air condition

Answer 18

20 min max

Question 19

Prohibited A/C simultaneously from packs and

Answer 19

Low pressure ground units

Question 20

Air flow by two carts not exceed

Answer 20

2x 1.6 kg/sec

Question 21

No HP ground unit when

Answer 21

APU bleed air

Question 22

Packs on APU BLEED airflow automatically on

Answer 22

HI

Question 23

Temperature selectors available for

Answer 23

Bulk, FWD, cockpit, cabin

Question 24

Zone temperatures can be monitored on the following ECAM system display pages

Answer 24

COND , CRUISE

Question 25

High pressure cylinder O2 is in the

Answer 25

Lower left fuselage

Question 26

A330 has

Answer 26

2 overpressure safety systems O2

Question 27

CREW SUPPLY overhead controls

Answer 27

Supply solenoid valve

Question 28

CKPT OXY amber below

Answer 28

300 psi

Question 29

REGUL LO PR amber ECAM DOOR/OXY if O2 pressure drops to

Answer 29

50psi or lower on the low pressure circuit

Question 30

If cabin altitude exceeds 35,000 ft mask inlets closes and Pilot breaths

Answer 30

100% O2.