Podcast
Questions and Answers
What happens if the thrust levers are not set to IDLE during engine start?
What happens if the thrust levers are not set to IDLE during engine start?
- The engines will not start.
- Thrust rapidly decreases.
- The engines will start in a delayed manner.
- Thrust rapidly increases, causing a hazardous situation. (correct)
Which engine is usually started first to power the blue hydraulic system?
Which engine is usually started first to power the blue hydraulic system?
- Engine 1 (correct)
- Engine 3
- Engine 4
- Engine 2
At what temperature is the EEC controls activated to perform a dry crank for a hot engine?
At what temperature is the EEC controls activated to perform a dry crank for a hot engine?
- Above 150°C for the second start attempt (correct)
- Above 50°C
- Above 100°C for the first start attempt (correct)
- Above 200°C
What occurs when N3 reaches 25% during the start sequence?
What occurs when N3 reaches 25% during the start sequence?
How long does it take for the start valve to fully close after fuel is on?
How long does it take for the start valve to fully close after fuel is on?
What is the expected EPR value at ISA Sea Level during engine idle?
What is the expected EPR value at ISA Sea Level during engine idle?
During the engine start procedure for Engine 2, what is the first action to take?
During the engine start procedure for Engine 2, what is the first action to take?
What is the correct value for N1 at ISA Sea Level during engine idle?
What is the correct value for N1 at ISA Sea Level during engine idle?
What is the expected fuel flow (FF) at ISA Sea Level during engine idle?
What is the expected fuel flow (FF) at ISA Sea Level during engine idle?
What action must the captain announce during the engine starting procedures?
What action must the captain announce during the engine starting procedures?
Flashcards
EPR value at sea level ISA
EPR value at sea level ISA
The Engine Pressure Ratio (EPR) value for a standard atmosphere at sea level is approximately 1.015.
N1 value at ISA sea level
N1 value at ISA sea level
The N1 value (low-pressure compressor speed) for a standard atmosphere at sea level is approximately 22.6%.
Engine 2 start procedure
Engine 2 start procedure
Follow the same steps as Engine 1 start procedure for Engine 2.
Engine Idle Parameter
Engine Idle Parameter
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Announce/Captain command
Announce/Captain command
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Engine Start Sequence
Engine Start Sequence
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EGT
EGT
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N3
N3
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Start Valve
Start Valve
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Automatic Engine Start
Automatic Engine Start
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Study Notes
Engine Idle Parameters
- EPR about 1.015
- N1 about 22.6 %
- N2 about 47 %
- N3 about 63 %
- EGT about 380 °C
- FF about 820 kg/h (1 800 lb/h)
Engine 2 Start
- Follow the same procedure as for engine 1
- ENG 2 MASTER lever
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Description
This quiz covers essential parameters for aircraft engine idle settings and the procedural steps for starting an engine. Gain insights into metrics like EPR, N1, N2, and more, necessary for safe and efficient aircraft operations.
