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WorksheetsAMT 15-03 LC
Total questions: 73
Worksheet time: 39mins
What material does the CFM 56-7B has for its fan blades
steel alloy
Aluminum alloy
Titanium alloy
What is steel alloy forging and is supported by the no 1 &2 bearing
Booster shaft
Rotor shaft
Fan shaft
The 12 strut hub is made up of what type of alloy
Steel alloy
Titanimum alloy
Aluminum alloy
What provides pulses proportional to the N1 speed
N1 speed sensor
N2 speed sensor
N3 speed sensor
What stage has 78 blades
Stage 4
Stage 2
Stage 3
Which of the following stages does not have 136 vanes
Stage 2
Stage 3
Stage 1
What is the mechanical rotating link between the inlet gearbox and the transfer gearbox
RDS
DRS
SDR
The fanframe shroud outer case surface should have the following except
Engine data plate at the 6 o clock position
Transfer Gearbox mounting pad
2 groud handling trunnions
What consist of a booster spool
Booster turbine
Booster rotor
Booster section
What stages has 108 vanes
Stage 3
Stage 1
Stage 2
The fan blades form the first stage of the High pressure compressor HPC and accelerate the air entering the engine through the air inlets cowls.
(a)
The fan blades are 20.67 ins (0.52m) long.
(a)
The three stages of blades are numbered 3 to 5?
(a)
The booster rotor blades approximately 3.30 -3.81 ins (84- 07 mm) long are installed in circumferential slots
(a)
The stator vane asssembly changes the air velocity into pressure?
(a)
How many fuel injectors dos the trent 800 have?
34
24
44
When was the last trent-powered 777 delivered?
2009
2010
2011
How many coaxial shafts does the trent 800 have?
Three
Five
Four
The combustor is controlled by whar
EEC
ECC
CEE
How many stages of LP turbine does the trent 800 have?
7 stages
5 stages
5 stages
Which of the following is the right characteristic of the engine
Diameter 280 cm
Dry weight 6068 kg
Length 4578 mm
What is the pressure ratio of the trent 800?
33.9-40.5:1
33.9-40.7:1
32.9-40.7:1
What was the engine bypass ratio in cruise
33.9.1
6.4:1
40.7:1
When was the rolls- royce trent 800 granted EASA certification
January 1995
January 1991
January 1993
What airlines ordered in a large amount of trent 800
Singapore airline
American airlines
China airlines
What involves the contionous monitoring of the temperature of the turbine section
Turbine over heat detection
High temperature detection system
Low temperature detection system
Which of the following is not included in the cooling and sealing of air in the engine
Oil mist areas
IP Compressor (stage 3)
HP Compressor (stage 3)
What is the meaning of RHS
Right hand swirl
Right hand side
RIght horsepower side
What is a layer of titanium wall that covers the areas of the turbine case?
Nozzle case cooling liner
Turbine case cooling liner
Vane case cooling liner
What is ducted into the black roots to permit cooling of the turbine blades
HP3 air
HP5 air
HP6 air
What is the non rotation hollow strut airfoil shaped and positioned in between each stage of the turbine blades
Pre swirls nozzles
Nozzle guide vanes
Turbine blades
What is used to direct the angle of the cooling air in a rotationg direction
Turbine blades
Nozzle guide vanes
Pre swirls nozzles
What is the meaning of FDC
Fire detection card
Fire direction card
Fire detection case
What are the rotsating structure and airfoil cross sections and are used to absorb the forces of the jet blast to turn the compressor rotor?
Nozzle guide vanes
Turbine blades
Pre-swirls nozzles
What is discharged from the engine and delivered to different areas that need to be cooled
Air bleed
Cooled air
Compressed air
What does the term P## represent in aviation
Power factor
Pressure sensor no.
Propeller speed
Primary system
Which component is associated with the term “low pressure” in the engine?
N1
N2
N3
P## (pressure sensor)
In aviation what does HP typically refer to
High pitch
High pressure
Hydraulic power
Hyper propulsion
What does LP stand for in aviation
Low pressure
Light plane
Longitudina pitch
Landing pad
Which acronym represent the electronic control unit for an aircraft
EGT
FOHE
EEC
P## (Pressure sensor)
T## in aviation typically stands for
Turbine
Thrust
Tempersture sensor no.
Transponder
What does N2 typically represent in aircraft system
Normal mode 2
Navigation 2
Intermediate pressure compressor
Number 2 engine
EEC stands for
Electronic engine control
Emergency evacuation checklist
Engine efficiency control
Enhanced environmetal compliance
Which of the following is not a type of sensor in aiviation
P## ( pressure sensor)
T## ( Temperature Sensor)
EEC ( Electronic Control unit)
N3 (high pressure compressor)
N3 in aviation refers to
Normal mode 3
Number 3 engine
High pressure Compressor
NAviagation 3
What does the acronym LP stand for in aviation
low pitch
Landing pad
Low pressure
Light plane
FOHE is an acronym
Fuel oil Hydraulic engine
Fuel oil heat exhanger
Forward overhead Engine
Free oxygen heat exchange
What is the primary function of FOHE
Flight operation heat exchanger
Fuel oil heat exchanger
Forward overhead hydraulic engine
Frequently overhaul heating element
What is the primary role of EGT in aviation
Engine gas turbine
Exhaust gas temperature
Electric generator transformer
Efficient gas transmission
What is the primary function of FOHE
Flight operation heat exchanger
Fuel oil heat exchanger
Forward hydraulic engine
Frequent overhaul heating element
What does the term N2 represent in aviation systems
Normal mode 2
Naviagation 2
Intermediate pressure compressor
Number 2 engine
In aviation what does N1 represent
Navigation 1
Number 1 engine
Low pressure compressor
NOrmal mode 1
EGT stand for
Exhaust gas temperature
Engine gas temperature
Electric generator transformer
Efficient gas transmission
What is the purpose of the primary airflow in the engine
General thrust
Lubricate bearings
Cool the combustion chamber
Facilitate combustion
What is the purpose of the annular combustion chamber
Lubrciate and cool the bearings
Generate seconfary airflow
Ignite for combustion
Improve thrust effciency
What does the speed of the LP rotore indicate on the ECAM
N2
N1
N3
IPT Speed
What is the purpose of the 2 igniter plugs in the combustion chambers
Provide additional thurust
Monitor temperature
Ignite fuel for combustion
Cool the combustion chamber
What does LPc stand for in the context of the engine description
LOw pressure compressor
Lubrication and cooling system
Low pressure case
Large participate combustor
What is the priimary purpose of kevlar containments band in the LP conmpressor case
Improve aerodynamics
Increase fuel effieciency
Protect the fuselsge from fan blades damage
Enhance combustion efficiency
How is the external gearbox driven
By the LP motor
By the HP rotor through an internal gear set
By the IPC
By the LPT
How many stages of rotor blades are there in the engine
6
7
8
9
Where is the external gearbox attached
LP compressor Case
HP compressor case
IPC case
HPC case
How is the LP rotor supported
3 ball bearings
2 roller bearings
4 roller bearings
2Ball and 2 roller bearings
What is the function of the 3 stage of variable stator vanes
Control secondary airflow
Enhance aerodynamics
Adjust compressor efficiency
Stabilize rotor speed
What does N1 indicate the ECAM
HP rotor speed
LP rotor speed
IPT speed
External gearbox speed
What is the role of the LPc in the engine
Generate primary airflow
Driven the external gearbox
Provide lubracation
Compress air at low pressure
How many stages of statoe vanes are variable in the engine
2
3
4
5
What is the material of the blades and vanes in the engine
Aluminum
Steel
Titanium
Kevlar
What is the purpose of the IPC inlet guide vanes
Control primary airflow
Enhance combustion efficiency
Direct air to the LP turbine
Stabilize engine temperature
Where is the Lp turbine case located
In the LPC case
At the 6:00 position of the engine
Between the HP compressor and HP turbine
Attach to the HPC case
Where is the forward fan located in the LP rotor
At the 12 position
At the 3 posisiton
At the 6 posisiton
At the 9 posisiton
Which component supplies most of the engine thrust
IPC
LPT
Forward fan
External gearbox
How many fuel nozzles does the annular combustion chamber have
12
18
24
30
