engine 2

How are the compressor rotor blades attached to the wheel?

• Fir tree and locking strip.

• Dovetail and locking strip.

• Dovetail and pin.

• Fir tree and pin.

What is the purpose of the grommets at the aft end of the combustion Liners?

• Minimizes air leakage around the thermocouples.

• For cooling of the thermocouples.

• Support for the thermocouples

• Support for the liner

How are the turbine rotor blades attached to the wheels?

• A dovetail and retainer.

• A fir tree and retainer.

• A dovetail and pin.

• A fir tree and pin.

What holds the turbine wheels together?

• Turbine tie bolt

• Tubine clamp bolts

• . Turbine coupling shaft.

• Turbine rear bearing support.

What is the purpose of the diffuser assembly?

• Directs compressor discharge air to the turbine section.

• Directs compressor discharge air to the combustion section.

• Directs air in to the compressor section.

• Directs air into the exhaust section

During acceleration what holds the compressor bleed air valves open?

• Oil pressure

• Fuel pressure

• 14 th stage air

• Compressor pressure

How will the engine anti-icing system be affected if aircraft electrical power fails?

• (a) The anti-icing valves will close and the system will be off.

• (b) The anti-icing valves will open and the system will be on.

• It will have no effect on the anti-icing system.

• (d) The system will not work.

. What holds the compressor wheel together?

• (a) Compressor tie bolt

• (b) Compressor extension shaft

• Compressor casing

• Compressor stator vanes

What is the purpose of burner drain valves?

• To supply fuel

• To close the fuel during start

• To drain any fuel at engines shut down

• To close air after shut down

What is the purpose of the bleed air check valve?

• (a) Prevent reverse flow of bleed air into the diffuser

• (b) Provides bleed air to the starter.

• (c) Provides bleed air to the anti-ice system.

• (d) Prevents bleed air from going to the nacelle bleed air manifold