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9 Cards in this Set
- Front
- Back
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The aircraft is powered by what?
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Four CFM 56-2A-2 engines
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What is the maximum take-off rated thrust?
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24,000 pounds
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What is the Main Engine Control Unit (MEC)?
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The MEC governs core engine speed (N2) by regulating the fuel flow to the engine, based on throttle or reverse lever position.
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What is the Power Management Control (PMC)?
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The PMC system is powered by the control alternator (N2 tachometer generator) and sets the fan (N1) speed by trimming the MEC to maintain constant thrust as airspeed and altitude change.
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What are Thrust Reversers?
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A hydraulically operated thrust reverser is located on each fan nozzle.
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The thrust reverser cannot operate until the throttle is in the what position and why?
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the reversers are mechanically interlocked with the throttles so they cannot be operated until the throttles are in the idle position. Also interlocked with the squat switch to prevent in-flight deployment.
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What is the Turbine Clearance Control (TCC)?
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The TCC system maintains optimum turbine efficiency and lower EGTs at all power settings.
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Where and how many fire extinguishing agent bottles are their?
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there are four steel pressure bottles, two located in each inboard engine strut.
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What happens when the Engine Fire Switches are pulled?
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"BADFIGHTS" : Bleed Air shutoff valve closes; Anti-ice vavle closes; Discharge button for that engine is armed; Firewall fuel shutoff valve closes; Ignition is disabled; Generator breakers open; Hydraulic shutoff valve closes (inboard engines only); Thrust reverser is disabled; Starter is disabled
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