Engine (control, Indication, Oil...) Flashcards
(67 cards)
Where does the P20-T20 probe senses pressure and temperature?
Engine inlet
Intermediate pressure compressor inlet
High pressure compressor inlet
ENGINE INLET
During engine run test, the EEC ALT light comes on. What engine parameter cannot be calculated by the EEC?
Engine N2 speed
N1 reference
Turbofan power ratio (TPR)
TURBOFAN POWER RATIO
Which is the component that uses the full authority digital engine control (FADEC) from of control to provide all the functions needed to start, run and shutdown the engine?
Engine Monitoring Unit (EMU)
Engine Electronic Controller (EEC)
Hydro-Mechanical Unit (HMU)
ENGINE ELECTRONIC CONTROLLER (EEC)
Where is the location of the auto throttle servo motors?
In the thrust control module (TCM)
In the forward EE compartment
Under the flight deck floor
IN THE THRUST CONTROL MODULE (TCM)
The emergency shutdown system shuts down the engine for a break in which shaft?
Stand Aisle Gearbox (SAGB)
N3
N1 or N2
N1 OR N2
Where does the oil quantity transmitter sends data directly to…?
The Main Engine Data Concentrator (MEDC)
The Engine Electronic Controller (EEC)
The Engine Monitoring Unit (EMU)
THE MAIN ENGINE DATA CONCENTRATOR
What occurs if the oil debris sensor detects ferrous metal particles in the engine scavenge oil system?
The sensor sends a signal to the oil debris sensing system signal conditioner
The engine monitoring unit (EMU) sends a report to the engine health monitoring system
The scavenge system filter bypass opens to let oil flow
The sensor sends a signal to the oil debris sensing system signal conditioner
During engine start the variable frequency starter generators (VFSG) turn the gearbox that turns what rotor, or rotors?
N2 rotor
M3 rotor
N2 and N3 rotors
N2 rotors
Which component provides a secondary mechanical lock of the thrust reverser (T/R) when they are stowed?
Track lock mechanism in the right thrust reverser upper hinge beam area of each engine strut
Thrust reverser hydraulic actuator
Isolation valve when de-energized
Track lock mechanism in the right thrust reverser upper hinge beam area of each engine strut
Where can you locate the thrust reverser (T/R) translating sleeve deactivation pins?
In the C-duct latch panel at the 6:00 position of the thrust reversers
In the fan cowl
At the thrust reverser torque box
In the C-duct latch panel at the 6:00 position of the thrust reversers
Which component make sure the actuators on both thrust reverser sleeves get the same amount of fluid?
T pieces
Hydraulic isolators
Hydraulic compensators
T pieces
Which indication will show on EICAS when the thrust reverser is deployed more than 90%?
Amber REV
Magenta REV
Green REV
Green REV
Which compressor has a variable inlet guide vanes (VIGV) and variable stator vanes (VSV)?
The high pressure (HP) compressor (N3)
The low pressure (LP) compressor (N1)
The intermediate pressure (IP) compressor (N2)
The intermediate pressure (IP) compressor (N2)
How is fuel removed from the drains collector tank?
The drains collector tank uses gravity to send the fuel to the inlet of the engine fuel pump
The drain collector tank spills the fuel into the ground after the engine shuts down
The drains tank ejector pulls fuel out of the collector tank and sends it to the inlet of the engine fuel pump
The drains tank ejector pulls fuel out of the collector tank and sends it to the inlet of the engine fuel pump
Before you open a thrust reverser cowl, wich of these must your first deactivate?
Wing leading edge slats
Center hydraulic system
Wing trailing edge flaps
Wing leading edge slats
Where is the centrifugal breather installed on the TRENT 1000 engine?
External gearbox
Oil tank and scavenge filter housing
Intermediate gearbox
External gearbox
Where are the fan blade moment weight located?
On the blade root
On the blade pressure side
On the blade suction side
On the blade root
What fills the space between the blades in the low pressure compressor?
Annulus fillers
Spinner fairing
Support ring
Annulus fillers
What is the probable cause of the fuel flow indication going blank on EICAS?
Main engine data concentrator (MEDC)
Hydro-Mechanical unit (HMU)
Fuel flow meter
Fuel flow meter
Which component calculates engine vibration and supplies engine data reports?
Engine monitoring unit (EMU)
Central maintenance computer function (CMCF)
Engine electronic controller (EEC)
Engine monitoring unit (EMU)
What does the engine electronic controller (EEC) use turbine gas temperature (TGT) for?
Calculate engine thrust and fuel flow
Calculate engine balancing
Do health monitoring
Calculate engine thrust and fuel flow
What air source does low pressure turbine case cooling use?
HP3
IP3
Bypass Air
Bypass air
What is the purpose of the engine secondary air system (SAS) valve?
It supplies HP3 air to the bearing compartments at high power settings
It opens to supplement IP8 air with HP3 air for turbine cooling and bearing pressurization at low power settings
It closes at high power to prevent IP8 air from over pressurizing the turbine case cooling system
It opens to supplement IP8 air with HP3 air for turbine cooling and bearing pressurization at low power settings
During an engine start on the ground, the engine electronic controller (EEC) sends a signal to the one igniter to operate. If the first start of the engine is a failure, where does the EEC send the signal for the second start?
The same igniter only
Both igniters
The other igniter only
Both igniters
