What is the purpose of a variable area nozzle in a gas turbine engine, and how does it influence engine performance?
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Professional Development
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Easy
Ed Tan
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To mix fuel with incoming air
to control the speed of the compressor
to regulate the temperature of the combustion chamber
to adjust the expansion area for optimal efficiency
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which component of the lubrication system is responsible for scavenging excess oil from the engine?
Oil Filter
Oil Pump
Oil Cooler
Scavange Pump
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What role does the fuel-cooled oil cooler play in a jet engine's cooling system?
it cools the engine's compressor blades
it cools the engine's combustion chamber
it regulates the flow of cooling air over the engine components
it removes excess heat from the engine oil by passing it throught a heat exchanger
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which component of the lubrication system is responsible for scavenging excess oil from the engine?
Oil filter
Oil pump
Oil cooler
Scavange Pump
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Air turbine starter generally incorporate a reduction gear to convert the?
High speed low torque of the turbine wheel to a low speed high torque to the output shaft.
High speed low torque of the compressor wheel to a low speed high torque of the turbine
Low speed high torque of the turbine wheel to the high speed low torque of the output shaft
High speed low torque of the turbine wheel to a low speed high torque of the compressor
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which component of a jet engine control system is responsible for regulating the engine's RPM?
Throttle lever
Fuel control unit
Engine pressure ratio gauge
Tachometer
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the typical outcome of an engine health monitoring system detecting aan abnormal engine condition?
immediate engine shutdown
issue a maintenance alert for further inspection
automatic adjustment of engine parameters to correct the condition
activation of engine fire suppression system
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