Podcast
Questions and Answers
What must be sensed for the control box to open the firewall valves in an emergency mode?
What must be sensed for the control box to open the firewall valves in an emergency mode?
- High variable area nozzle
- High engine torque
- Low engine torque (correct)
- Low AB duct pressure
In the emergency mode, what enables fluid injection to the remaining operating engine?
In the emergency mode, what enables fluid injection to the remaining operating engine?
- Engine's torque switch (correct)
- AB duct pressure
- Variable area nozzle
- Selector switch position
What action stops the flow of fluid to the engine in an emergency mode?
What action stops the flow of fluid to the engine in an emergency mode?
- Selecting OFF function (correct)
- High engine torque
- Low variable area nozzle
- High AB duct pressure
What needs to happen for fluid to be delivered to both engines in the CONT position?
What needs to happen for fluid to be delivered to both engines in the CONT position?
What would cause the firewall valve to close and stop fluid flow to the engine in the CONT position?
What would cause the firewall valve to close and stop fluid flow to the engine in the CONT position?
What condition must be met for the system to be electrically powered in both emergency and CONT positions?
What condition must be met for the system to be electrically powered in both emergency and CONT positions?
What is one of the components of an AB system that helps ensure pressure in the AB duct does not affect normal engine operation?
What is one of the components of an AB system that helps ensure pressure in the AB duct does not affect normal engine operation?
When does the AB fuel pump and AB fuel control operate in an aircraft?
When does the AB fuel pump and AB fuel control operate in an aircraft?
Which method is NOT used for AB ignition systems?
Which method is NOT used for AB ignition systems?
What component in an AB system helps ignite the afterburner using sparks?
What component in an AB system helps ignite the afterburner using sparks?
What is the primary purpose of the engine-driven fuel pump in an AB system?
What is the primary purpose of the engine-driven fuel pump in an AB system?
Which component in an AB system is responsible for controlling the flow of fuel when pilot selects AB?
Which component in an AB system is responsible for controlling the flow of fuel when pilot selects AB?
What is the purpose of the engine torque pressure switch mentioned in the text?
What is the purpose of the engine torque pressure switch mentioned in the text?
What is the function of the metering valve in the system described?
What is the function of the metering valve in the system described?
What action leads to fluid pressure building to 30 PSI as mentioned in the text?
What action leads to fluid pressure building to 30 PSI as mentioned in the text?
What happens when the selector switch is in the OFF position?
What happens when the selector switch is in the OFF position?
How does advancing the power levers past flight idle affect fluid flow into the engine's spray manifold?
How does advancing the power levers past flight idle affect fluid flow into the engine's spray manifold?
In what scenario would an engine developing less than 600 foot-pounds of torque have flow stopped to it?
In what scenario would an engine developing less than 600 foot-pounds of torque have flow stopped to it?
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