Gas Turbine Engines Quiz

A multibladed, ducted propeller driven by a gas turbine engine is?

• Turbojet Engine

• Turbopropeller Engine

• Turbofan Engine

Which type of gas turbine engine has the best specific fuel consumption?

• Turbopropeller engine

• Turbojet Engine

• Turbofan engine

High Bypass turbofan engines have a bypass ratio of

• 1:1

• 2:1

• 4:1 or greater

Which of the following is normally part of the airframe on a turbojet engine?

• Combustion Section

• Air Inlet Section

• Accessory Section

What shape is used for a turbofan subsonic inlet?

• Convergent

• Divergent

• Convergent - Divergent

The bell-mouth inlet is used on which of the following aircraft type during flight?

• Commercial turbofan

• Helicopter

• Supersonic

What is a blow-away jet used for?

• To clean the runway in front of the engine.

• To dry the inlet of any moisture.

• To prevent a vortex from forming and causing FOD.

The diffuser is a _______ shape to increase the air pressure.

• Divergent
• convergent

• convergent-divergent

Centrifugal flow compressors consist of a(n)

• Impeller

• Stator

• Dovetail blades

One rotor and one stator make up a ________.

• Spool

• Stage

• Diffuser