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Questions and Answers
What is the duty cycle of the ignition system mentioned in the text?
What is the duty cycle of the ignition system mentioned in the text?
- 1 minute on and 4 minutes off
- 2 minutes on and 3 minutes off (correct)
- 3 minutes on and 2 minutes off
- 5 minutes on and 5 minutes off
What is the purpose of selecting full ignition to both or either igniter plug with a continuous duty cycle ignition system?
What is the purpose of selecting full ignition to both or either igniter plug with a continuous duty cycle ignition system?
- To reduce fuel consumption during harsh weather conditions.
- To increase the power output of the gas turbine engine.
- To provide continuous engine relight capability during aircraft takeoff or landing. (correct)
- To improve the speed-sensitive control of the engine.
Which component de-energizes the ignition relay above 65% RPM according to the text?
Which component de-energizes the ignition relay above 65% RPM according to the text?
- Paralleling valve
- Igniter plugs
- Manifold drain valve
- HEIU (correct)
When would aircrew typically select just one igniter plug in a gas turbine engine system?
When would aircrew typically select just one igniter plug in a gas turbine engine system?
What type of ignition system do gas turbine engines typically have?
What type of ignition system do gas turbine engines typically have?
What does the high tension ignition harness supply voltage to?
What does the high tension ignition harness supply voltage to?
In the context of the text, what is the purpose of the igniter plugs?
In the context of the text, what is the purpose of the igniter plugs?
Which components are part of a typical ignition system according to the text?
Which components are part of a typical ignition system according to the text?
What differentiates AC and DC igniter systems in gas turbine engines?
What differentiates AC and DC igniter systems in gas turbine engines?
What happens when the ignition system is de-energized by the above 65% switch?
What happens when the ignition system is de-energized by the above 65% switch?
Why would aircrew select full ignition capability during aircraft takeoff or landing?
Why would aircrew select full ignition capability during aircraft takeoff or landing?
Which part of the gas turbine engine system connects HEIUs to the igniter plugs?
Which part of the gas turbine engine system connects HEIUs to the igniter plugs?
Where does a low tension current ignition system receive power from?
Where does a low tension current ignition system receive power from?
What happens when the energy in a High Energy Ignition Unit (HEIU) reaches a predetermined value?
What happens when the energy in a High Energy Ignition Unit (HEIU) reaches a predetermined value?
In a gas turbine engine, what varies between engine designs in terms of ignition systems?
In a gas turbine engine, what varies between engine designs in terms of ignition systems?
From where do high tension current ignition systems receive their power?
From where do high tension current ignition systems receive their power?
What does the term 'duty cycle' refer to in an ignition system?
What does the term 'duty cycle' refer to in an ignition system?
Which bus is used as a power source for the ignition system according to the text?
Which bus is used as a power source for the ignition system according to the text?
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