Turbine

QUIZ

When adjusting your your FCU, what will be your final direction to turn?

Increases

An aircraft should be facing into the wind when trimming an enginc. However, if the velocity of the wind blowing into the take is excessive, it is like to cause a...

A false high compression and turbine discharge pressure resulting a low trim

The type of oil pumps most commonly used on turbine engines are classified as ...

Positive displacement

After making a welded repair to a pressurized-type turbine engine oil tank, the tank should be pressure checked to....

5 PSI above operating pressure

Anti-ice air commonly comes from the TURBINE section?

No Compression section

What does ACC stand for?

Active Clearance Control

Two most common types of exhaust noise suppression...

Multitude, Corrugate, Peramitter

Operating thrust reversers at what speed can cause FOD?

Low Speeds

What happens to Static Pressure of supersonic exhaust gases through a DIVERGENT duct?

Velocity increases and Pressure decreases

Most common types of Jet Fuel?

Jet A and Jet A1

Which filter has the highest degree of filtering; Scavenge, Low pressure, High Pressure...

High pressure filter

What causes the fuel divider valve to open?

Fuel pressure reaching specific levels

In a supervisory electronic engine control (EEC) system, when there's any fault in the EEC what will it do?

Hydromechanical

What are the two principles sections of the Fuel Control Unit (FCU)?

Fuel Metering and computing

What will the oil do when the engine is cold in reference to the fuel oil cooler?

The fuel oil cooler

Primary purpose of the fuel/oil cooler?

Cooling the oil

In Axial Flow Compressor bleed air is used to cool the inlet guide vanes...

No

What are the insulating blackets around the hot section made out of?

Ceramic fiber, Stainless Steel, Aluminum

Is Rearward thrust equal to Forward thrust?

Limited 35-50%

What is the purpose of lining inlet of turbo fun with honeycomb?

Sound Reduction

Are the Generators on aircraft and APU interchangeable?

No

What in fuel allows Microbial Growth?

Water

What is the purpose of the fuel flow divider in a turbine engine duplex fuel nozzle?

Supplies primary and secondary fuel

What does boost pumps in a fuel system do?

Supplies fuel to engine drive pump

What is not a variable of the FCU?

Humidity

When the throttle lever increases thrust, what does the fuel flow do?

Increases

Why is it important to service oil within 30 minutes of shut down?

Prevent overservicing

What is the purpose of the dwell chamber?

Separates the air from the oil in the chamber before it gets picked up by the pressure pump

What do the Blow-in doors do?

Open to let air in when inlet air pressure drops below that of the ambient air

Where is the oil cooler located in reference to a "hot tank"?

After the tank in the pressure line

Two most common source of power for thrust reversers "Exp. Buckets" are?

Pneumatic & Hydraulic

Which has more heat energy, KEROSENE of AVGAS?

Kerosene

What are the perimeters during engine trim settings?

Ground idle, and Max RPM

When in an emergency alternative fuel is used, what should be adjusted?

Specific Gravity

What does the fuel/oil cooler do in reference to FUEL?

The fuel cools the Hot oil and the oil heats fuel for combustion

The purpose of an engine/inlet anti- ice system is primary to....

Prevent formation of ice

Aircraft uses ram air pressure in flight to cool engines internals around cowling, how is ground?

A low PSI area around the exhaust pulls the cooling air through

What are the most common types of thrust reversers?

Mechanical and Aerodynamic blockage

What does the fuel tank boost pump do in reference to engine driven pump?

Provides fuel to the engine driven pump

What is the unit that lies at the heart of the EEC?

Hydro mechanical Fuel Control

Oil pumped to main bearing is used for…

Lubrication, and Cooling

Fix orifice nozzles used in turbine engine Lube Systems do what?

Lubricate the engine main bearings

What does the Pneumatic system run off

Bleed Air and APU

On a test stand, what type of inlet is used on a turbine engine?

Bellmont Inlet