What are the primary parts of the air conditioning (A C) system that affect the supply of fresh air or the recirculation of conditioned air?

• Pack flow control, Temperature control system, Air distribution, Water separator

• Pack cooling system, Recirculation, Air distribution, Ground A C connector

• Pack flow control, Pack cooling system, Temperature control system, Recirculation

• Temperature control system, Recirculation, Air distribution, Main distribution manifold

Where are the air conditioning pack systems located?

• Distribution compartment, Air conditioning compartment, Wing-to-body fairing, Flight compartment

• Flight compartment, EE compartment, Distribution compartment, Air conditioning compartment

• Air conditioning compartment, Wing-to-body fairing, Flight compartment, EE compartment

• EE compartment, Distribution compartment, Air conditioning compartment, Wing-to-body fairing

What is the function of the air conditioning accessory unit (A C A U)?

• Recycle approximately 50 percent of the cabin air for ventilation

• Serve as the interface for the airplane operational logic and the air system

• Distribute conditioned air from the packs or ground air source to the flight compartment and passenger cabin

• Control the flight compartment and passenger cabin temperature

What does the amber DUCT OVERHEAT light indicate?

• The duct temperature reaches 190F (88C)

• Low airflow is detected, or both fans are not operating

• The airplane is on the ground or during climb

• The low flow detector fails its startup BITE test

Where is the temperature controls panel located?

• Flight compartment, EE compartment, Distribution compartment, Air conditioning compartment

• Distribution compartment, Air conditioning compartment, Wing-to-body fairing, Flight compartment

• Air conditioning compartment, Wing-to-body fairing, Flight compartment, EE compartment

• EE compartment, Distribution compartment, Air conditioning compartment, Wing-to-body fairing

What is the primary function of the recirculation system?

• Control the flight compartment and passenger cabin temperature

• Recycle approximately 50 percent of the cabin air for ventilation

• Distribute conditioned air from the packs or ground air source to the flight compartment and passenger cabin

• Control fresh air flow for airplane pressurization and ventilation

What is the function of the equipment cooling panel?

• Control the supply and exhaust fans switches

• Recycle approximately 50 percent of the cabin air for ventilation

• Serve as the interface for the airplane operational logic and the air system

• Control the flight compartment and passenger cabin temperature

What is the function of the mix manifold in the distribution system?

• Control fresh air flow for airplane pressurization and ventilation

• Recycle approximately 50 percent of the cabin air for ventilation

• Distribute conditioned air from the packs or ground air source to the flight compartment and passenger cabin

• Control the flight compartment and passenger cabin temperature

What is the function of the air cycle machine in the cooling system?

• Control fresh air flow for airplane pressurization and ventilation

• Control the flight compartment and passenger cabin temperature

• Recycle approximately 50 percent of the cabin air for ventilation

• Remove heat from the bleed air

What is the function of the low limit 35F (1.7C) system in the cooling system?

• Control fresh air flow for airplane pressurization and ventilation

• Control the flight compartment and passenger cabin temperature

• Maintain the air temperature entering the water separator at a temperature of 35F (1.7C), to prevent freezing

• Remove heat from the bleed air