B757 SV Questions Flashcards
What is the function of the STBY - N position of the Pack Control Selector?
Regulates the pack outlet temperature to a constant moderate temperature.
What is the function of the STBY - W position of the Pack Control Selector?
Sets the pack to full warm operation.
What is the meaning of an illuminated PACK OFF light?
The pack valve is closed (pack is off).
What is the meaning of an illuminated PACK INOP light?
Excessive pack outlet temperature or Auto Controller fault.
What is the meaning of both an illuminated Pack INOP and PACK OFF light?
Pack Trip (Pack Overheat).
After experiencing a pack overheat, an attempt to restore pack operation (via the QRH) may be made once the pack has cooled by which action?
The PACK RESET switch
Which temperature zone controls the output of the air conditioning packs during automatic temperature control?
The compartment demanding the coolest temperature.
What is the purpose of the trim air system?
Adds warm air to control individual zone temp as required but the zone temp controller.
What is the probable cause of an illuminated Compartment Temperature INOP light?
All of the Above
With a compartment control in the OFF position, how is the temperature in that compartment controlled?
The compartment requiring the coolest temperature will control temperature.
What is the purpose of the trim air system?
Adds warm air to control individual zone temperature as required by the Zone Temperature Controller.
What is the function of the Boom/Oxy switch on the Audio Control Panel
Boom
oxy
