Exam Bank Flashcards
(35 cards)
Why couldn’t gas turbines be made before 1930s
Materials hear resistant enough
How is fire extiextinguisher bottle discharged
Nozzle head
Newton’s second law
Force = mass x acceleration
What isobaric heating
Heating at constant pressure
Where is titanium alloy used
First stage of HPC
For axial turbine what increases pressure
Stator on its own
Ideal safety distance from engine intake
10 metres
Soap analysis
Spectrometric oil analysis program
How is apu compartment protected
Firewalls
Why are oil coolers built into hp pump
Reduce need for lots of pipeline
Advantage of tip clearance
Fuel efficiency
What reduces vibrations in turbine
Tip shrouds on top of blades
What’s turbo shaft operation
GTE that delivers power through a shaft to operate anything but a propeller
What does combustion chamber housing do
Supports fuel nozzle
How is fuel flow transmitter driven
By Newton’s second law
Overpressure relief valve opens when
Pressure reaches 1250psi
How many apu mounts
3
Where do you use starter motor valve manually
Underside of the engine
What does starter motor use to start the engine
Accessory gearbox
Flashpoint JetA & JetA1
38 degrees C
Freezing point Jet A
-40
Freezing point JetA1
-47 Degrees C
Correlation between EGT and TIT
Positive
What does EPR indicate
Thrust
