Gas Turbine Airinlet

Question 1

The blank is shaped to reduce flow separation in crosswinds and high angle of attacks on an engine,

Answer 1

Lips

Question 2

The blank is a slightly convergent duct which leads to the diffuser.

Answer 2

Throat

Question 3

The blank generates an increase in pressure at the compressor inlet in an engine.

Answer 3

Diffuser

Question 4

A strong cross wind at the start of the take-off can cause inlet
instability and surge
–Risk reduced by carrying out a blank blank.

Answer 4

Rolling take off

Question 5

At low airspeeds and high power settings the air entering the inlet may approach
Mach 1
– The inlet becomes blank

Answer 5

Choked

Question 6

Intake icing can starve the engine of air causing blank

Answer 6

Flame out

Question 7

The lip of the engine is usually heated to prevent icing using blank or blank.

Answer 7

Bleed air or oil

Question 8

An EGT (Exhaust Gas Temperature) indicator for a piston engine is used to…

Answer 8

Assist the pilots with the correct mixture.

Question 9

LP turbine drives the xx compressor and the HP turbine drives the xx compressor.

Answer 9

LP HP

Question 10

The maximum temperature in a gas turbine engine is limited by the… tempurature in the blank

Answer 10

Turbine.

Question 11

In a twin spool free turbine engine, the energy delivered by the free turbine stages… is dependant on the blank blank of the blank spool.

Answer 11

Rotation speed of the HP