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Aerodynamic Stations in Airflow Paths

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Questions and Answers

What is the purpose of the boroscope system in the engine?

To manually rotate the engine during inspection

To visually inspect the various rotating parts of the engine (correct)

To remove boroscope plugs from the access ports

To provide access ports for the fan blades and turbine blades

How many access ports are available for inspecting the high pressure compressor?

Four ports

One port

Five ports

Nine ports (correct)

What is the purpose of the accessory gearbox?

To provide power transmission between the transfer gearbox and the accessory gearbox

To transmit rotation from the high pressure compressor to the transfer gearbox

To house the radial drive shaft, transfer gearbox, and horizontal drive shaft

To support and drive engine-related accessories (correct)

What is the function of the fan in the engine?

To produce approximately 78% of the total engine thrust Signup and view all the answers

What is the location of the accessory gearbox relative to the engine?

On the left side of the fan frame Signup and view all the answers

Which of the following components compresses the primary airstream?

Both the low and high pressure compressors Signup and view all the answers

What drives the high pressure compressor?

The high pressure turbine Signup and view all the answers

How are the low and high pressure rotors related mechanically?

They are independent of each other Signup and view all the answers

What is the purpose of dividing the air into primary and secondary airstreams?

To monitor engine performance Signup and view all the answers

What is the purpose of the annular combustion chamber?

To increase the air velocity to rotate the turbines Signup and view all the answers