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What is the minimum required bleed air manifold pressure reading when the FE pushes in the start button
25 PSI @ 16% RPM
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At 16% the speed sense control opens the fuel shutoff valve and energizes the ignition relay. The ignition relay energizes what 3 things?
- Ignitor plugs
- Paralleling valve solenoid
- Fuel manifold drain valve (held closed electrically until 65%)
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At what % RPM shall there be a rise in RGB and Power Section oil press?
35%
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The start button shall be pulled between___and _____%
57%-64%
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When starting an engine in normal, when can you expect a second spike in TIT, and why?
A second peak occurs at 94% due to fuel control scheduling. TIT limit during this peak do not apply
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When should the prop pump lights go out during start?
by low RPM provided its not the initial start of the day
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When should the FUEL PRESS low light go out during start?
by low RPM
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On start, when should the EDC PRESS low light go out?
65%
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On start, when should the Paralleling light go out?
65%
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Any time the inboard engines are operating with the doors and hatches closed, ground a/c and the cabin exhaust fan should be on. Why?
If they are not exhaust fumes will enter the cabin through the negative pressure relief valve.
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If the APU is bring used to start engines. When can it be secured, and why?
It can be secured after starting a second engine with a generator. That way if you have to secure one engine, the a/c still has electrical power.
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When shifting an engine from low to normal, what are three things you must ensure.
- ESP-
- Engine anti ice off
- Speed below 50 kts
- Power levers at or near ground start (dont move them during the shift)
CAUTION- during the shift, if TIT goes above 830 or rpm goes below 71%, secure engine.
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What are the parameters which constitute a good NTS check.
- 8-8-8
- below 8,000 ft
- 180 kts +- 10
- SHP above 800
note- you can do an NTS check above 8k, you just cant gripe it.
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What is the FE set up for an NTS check?
- Noth, South, East, West
- N- NTS switch to FX valve
- S- Sync Servo off
- E- Eingine anit ice on
- W- Wing De-ice on
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What are the indications of a good NTS check.
- Required- SHP stable below mechanical governing range, not below 95%, with the power lever at flight idle.
- Accompanied by either of the following three
- 1. Initial or Flashing FX valve light
- 2. Within NTS SHP range (-150 to -500 on 1&4, -100 to -500 on 2&3)
- 3. Aircraft yaw in conjunction with NTS
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