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7 Cards in this Set
- Front
- Back
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What is CPAM and what does it do? |
Cabin Pressurization Acquisition Module It is a message gathering unit. Received info from pitot/static 3 Will signal “cabin” aural warning at cabin pressure of 10,000 ft |
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How many outflow valves are there? |
2 outflow valves: - Electro-pneumatic valve ( controlled by “AUTO” controller) - Pneumatic valve ( slaved to the Electro-Pneumatic one) ; will work on its own only in “Manual” mode |
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When will the pressurization sequence ne terminated completely? |
Once the door is open or the air conditioning will be off |
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How is the cabin pressure controlled? |
By the CPCS ( cabin pressure control system) It regulates the cabin air exhaust rate supplied by the ECU |
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What is the definition of icing condition? |
On the ground: - SAT<= 10 degrees Celsius - visible moisture/ clouds/ fog with vis =<1 SM/ rain snow sleet - snow, sleet, ice, sw, slush
In the air: - TAT =< 10 degrees Celsius - visible moisture, clouds, fog with =<1SM vis |
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What are the electrically heated components? |
Windshields Pitot tubes/ AOA vanes Pitot/Static tube TAT probes Ice detectors Static Port Lavatory water drain, service nipples Pressurization static ports |
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What components are Pneumatically heated ? |
Engine inlets Horizontal stabilizer leading edges Wing leading edges |
