Podcast
Questions and Answers
What component controls the pump output in an engine?
What component controls the pump output in an engine?
- Exhaust nozzle actuators
- AB fuel control unit
- Variable area nozzle
- Pressure ratio control unit (correct)
How does the pressure ratio control unit restore balance in an engine?
How does the pressure ratio control unit restore balance in an engine?
- By closing the exhaust nozzle actuators
- By increasing the variable area nozzle size
- By reducing the AB duct pressure
- By adjusting the exhaust nozzle pump output (correct)
What happens to the nozzle area when the gas load on the nozzle flaps increases?
What happens to the nozzle area when the gas load on the nozzle flaps increases?
- Nozzle area opens up (correct)
- Nozzle area remains constant
- Nozzle area closes
- Nozzle area decreases
In the context of engine operation, what does the AB fuel control unit do?
In the context of engine operation, what does the AB fuel control unit do?
How does an out-of-balance condition between hydraulic actuators and gas loads affect the nozzle flaps?
How does an out-of-balance condition between hydraulic actuators and gas loads affect the nozzle flaps?
What is the purpose of the pressure ratio control unit in engine operation?
What is the purpose of the pressure ratio control unit in engine operation?
What is the purpose of corrugations in an AB duct?
What is the purpose of corrugations in an AB duct?
Which component is responsible for controlling the rapidly expanding gas during AB operation?
Which component is responsible for controlling the rapidly expanding gas during AB operation?
What type of nozzle system consists of concave flaps or eyelids that are fully closed for normal engine operation and fully open for AB operation?
What type of nozzle system consists of concave flaps or eyelids that are fully closed for normal engine operation and fully open for AB operation?
In the context of AB ducts, what do holes primarily allow into the duct?
In the context of AB ducts, what do holes primarily allow into the duct?
Which component is essential for engine power control during AB operation?
Which component is essential for engine power control during AB operation?
What is the main function of a screech liner in an AB system?
What is the main function of a screech liner in an AB system?
What happens if the nozzle opens when AB is not selected?
What happens if the nozzle opens when AB is not selected?
In the context of the text, what is the purpose of a fail-safe system in an afterburner?
In the context of the text, what is the purpose of a fail-safe system in an afterburner?
What is the role of the engine pressure ratio control unit in relation to afterburner operation?
What is the role of the engine pressure ratio control unit in relation to afterburner operation?
How does the afterburner fuel control unit respond when the throttle is advanced into the afterburner range?
How does the afterburner fuel control unit respond when the throttle is advanced into the afterburner range?
What component alters the pressure ratio across the engine during afterburner operation?
What component alters the pressure ratio across the engine during afterburner operation?
What term is used in the text to refer to the pressure in the exhaust duct during afterburner operation?
What term is used in the text to refer to the pressure in the exhaust duct during afterburner operation?
