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10 Cards in this Set
- Front
- Back
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PRESSURIZATION SYSTEM HAS AN OUTFLOW VALVE LOCATED WHERE
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ON THE AFT FUSELAGE
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HOW MANY CABIN PRESS CONTROLLERS
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TWO DIGITALCABIN PRESS CNTLR'S LOCATED IN THE FWD EQMT & ELECTRONICS BAY
ONE PRIMARY AND ONE ALTN |
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HOW IS CABIN ALT CONTROLLED
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USING THE OUTFLOW VALVE
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THE PRESSURE SYST HAS WHAT SAFETY COMPONENTS TO KEEP CABIN PRESS IN LIMITS
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2 SAFETY RELIEF VALVES
1 NEGATIVE PRESS RELIEF VALVE |
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DIFF PRESS GREATER THAN ALLOWED
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THE SAFETY RELIEF VALVE OPENS TO DECR PRESS IN THE CABIN
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THE NEGATIVE RELIEF VALVE OPENS WHEN
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EXT PRESS IS MORE THAN CABIN PRESS
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PRESS DIFF LIMIT FOR T/O & LDG
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0.125PSI
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OFF SCHED DESC LT ILLUMS IF
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THE A/C BEGINS TO DESCEND BEFORE IT REACHES THE FLT ALT SET IN THE CONTROLLER
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PRIMARY CNTLR FAILURE GIVES WHICH LTS
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AUTO FAIL AND ALTN(GREEN)
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DUAL CONTROLLER FAILURE
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ONLY GET AUTO FAIL LT AS THE ALTN SYST IS NOT AVAILABLE
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