Q400 Pneumatics Exam Questions With Verified Answers
EXAM STUDY MATERIALS July 26, 2024 9:30 AM Q400 Pneumatics Exam Questions With Verified Answers. Bleed Air Pressure is - answerEither High or Low depending on enging power setting. Air Conditioning and Pressurization - answer-Engine Bleed Air -APU Bleed Air -Air Cycle Machines (2) -Air distribution Sysem -Electronic Control Unit Bleed Air Switches control - answerHigh Pressure and Nacelle SOV only. Electronic Control Unit (ECS ECU) - answerIndependent digital controler with analog backup. (HP bleed air is not available because the High Pressure Shutoff Valve (HPSOV) remains closed when the analog channel is controlling the bleed system) Manual Differential (Man-Diff) Control Switch - answerDirectly controls the AFT Outflow Valve Pack Control Switches (toggle - three position) - answerThe Pack Control switches select the desired mode of air conditioning operation, Automatic or Manual, for their respective air cycle machine. -AUTO (digital) -MAN (analog) -OFF (ACMs off) Pneumatic Consumers - answer-Air conditioning -Pressurization -Airframe Deicing -Door seal pressurizat
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