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AE 325 Gas Turbine Engine Components Quiz
17 Questions
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AE 325 Gas Turbine Engine Components Quiz

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Questions and Answers

The cold section of a turbine engine includes the air ______ duct and the compressor section.

inlet

The first major section of a turbine engine is the air ______.

inlet

The engine air inlet is designed to provide a relatively turbulent free supply of air to the face of the ______-pressure compressor or fan.

low

The design of the intake duct is vital to the performance of the engine under all airspeeds or angles of attack to avoid compressor ______.

<p>stall</p> Signup and view all the answers

Many inlets are shaped to raise the air pressure above atmospheric pressure to achieve ram recovery or ______ recovery.

<p>pressure</p> Signup and view all the answers

Convection cooling/film cooling uses compressor bleed air directed in through the hollow blades and out through holes in the tip, leading edge, and trailing edge for blade ______.

<p>cooling</p> Signup and view all the answers

The conical fuel spray from the nozzle intersects the recirculation vortex at its center in the ______ section.

<p>combustion</p> Signup and view all the answers

Combustion should be completed before the dilution air enters the flame tube, otherwise the incoming air will cool the flame and incomplete combustion will result in the ______ section.

<p>combustion</p> Signup and view all the answers

Transpiration cooling is only used on stationary nozzle vanes, where bleed air is ducted into the vanes and exits through the ______ material.

<p>porous</p> Signup and view all the answers

Counter Rotating Turbines are chosen by engine designers for their effectiveness in dampening gyroscopic effects and reducing engine ______, not for aerodynamic reasons.

<p>vibration</p> Signup and view all the answers

An electric spark from an igniter plug initiates combustion and the flame is then self-sustained in the ______ section.

<p>combustion</p> Signup and view all the answers

A typical exhaust section extends from the rear of the turbine section to the point where the exhaust gases leave the engine, directing the flow of hot gases rearward to prevent ______.

<p>turbulence</p> Signup and view all the answers

Fuel is supplied to the airstream by different methods. The most common is the injection of a fine atomized spray into the recirculating airstream through spray nozzles in the ______ section.

<p>combustion</p> Signup and view all the answers

The exhaust cone assembly consists of an outer duct, an inner cone, radial hollow struts, and tie rods, channeling and collecting turbine discharge gases into a single ______.

<p>jet</p> Signup and view all the answers

A turbine transforms a portion of the kinetic energy in the hot exhaust gases into mechanical energy to drive the compressor and accessories in the ______ section.

<p>turbine</p> Signup and view all the answers

The turbine section of a turbojet engine is located downstream of the combustion section and consists of four basic elements: case, stator, shroud, and ______.

<p>rotor</p> Signup and view all the answers

A tailpipe is an extension of the exhaust section that directs exhaust gases safely from the exhaust cone to the exhaust, or jet ______.

<p>nozzle</p> Signup and view all the answers

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