Flashcards in Engine Deck (34)
When the thermal discharge indicator is operated, what colour does the indicator display?
When operating the Engine mode selection switches (EMSS), what is the make and brake time limit?
Where are the engine start busbars located?
CX + CY.
what colour is the crossfeed discharge on the fire extinguisher bottles?
What is the normal operating temperatures of the electrically heated engine intake matts?
65 - 140 degree's.
Which 2 additional functions does the exhaust system provide?
Engine bay ventilation and reduces the infrared (IR) signature of the engine.
At what percentage NG will the igniters operate?
Where are the spark igniters located on the engine?
10 o'clock and 2 o'clock.
Where are the ice protection control units located?
No1 rear bay lower shelf No2 right bulkhead of rear bay.
At approximately what NG will the engine contactor de-energise removing supply from the starter generator?
In which condition will the ECU automatically abort the start on the ground?
NG is less than 50% within 30 seconds.
What is the maximum temperature indicated by a red circle on the power turbine inlet temperature during start?
What are the 5 primary components of the gas generator?
Gas generator Turbine
Where does the torque meter measure the display torque?
The power turbine shaft.
How would you describe the oil level indicator used in the engine oil tank?
A glass rod with a visual indicator.
When the ENGOIL LVL caution illuminates, approximately how much useable oil remains in the tank?
Where are the engine oil system metallic chip detector sensors located?
1 in the engine oil tank and 1 in the engine reduction gearbox.
Which of the following engine anti icing system faults is considered to be a dormant failure.
Single functional failure.
How are critical failures resulting in an over temperature of the heater matt indicated?
INTAKE#A/ICE warning, cautions and advisories, amber fail caption on the engine anti ice switch.
Where is the power turbine speed sensor?
On rear support at approximately the 2 oclock position.
What are the angle between the blades on the torque sensor?
On the engine automatic relight (overspeed) what switch do you need to be made to ensure it relights automatically?
What reduces the temperature of the exhaust?
Upper air scoop
Lower air scoop
What are the removeable parts of the firewall?
Right quadrant panel
Left quadrant panel
Centre firewall top fairing
(1 centre 2 foreign)
How does the expandable pin for the engine lock?
It has a locating pip which engages with a hole in a spring lever to form a positive lock of the pin.
What is used to ensure correct installation of the mounting link assemblies?
They are marked INBOARD and OUTBOARD.
What does the ECU record?
NG, Np, Torque and PTIT
If you have an over temp on a heater matt what caution would you get?
What is the default NR speed?