問題一覧
1
High pressure compressor stages are
Stages from 1st to 7th are made from integral Blades Rotor and stage 8th is standard blade and disc assembly
2
If PW1500g engine will be not used for more than 60 days which preservation method must be used
Method II
3
What is the function of Fan drive gearbox coupling elements from marked in red on the picture below
To provide extra flexibility for this shaft working as a axial and Radial spring
4
How many nozzles combustion chamber have
16
5
Inlet cone of PW1500 engine has
Anti-ice protection using 2.5 bleed air
6
Air turbine starter oil system is
Using engine oil for lubrication and Cooling
7
Intel corn of PW1500 engine is made from
Composite material
8
Where the FDD Engine Mount is attached to
Fan case assembly
9
PW1500 & PW1900 engine has
The same EASA type certificate
10
Whitch type of bearing is used on 4.5 an 6 stages
Roller
11
What is the function of element marked red on the pictures below
Is transferring thrust load to aft mount
12
Which PW1500 bearing are not oil damped type
1.5 and 5
13
During engine run up normally
Only one ignitor plug is working
14
How you can make an access for periscope inspection of Fan gearbox
Throught gearbox shaft and removal of inlet corner
15
What is a function of swirlers in combustion chamber
To spin air fuel mixture slow down and stream and create proper flame Contour
16
The main body of fan blade is made from
Aluminium
17
Oil level needed to be checked
Between 5 minutes and 1 hour after ending shutdown
18
Add a system actuators for engine Cooling and stability control actuated by
Pressurized fuel
19
A motor to start dry crank is incorporated into every engine start sequence
To clean engine from remaining fuel
20
Combustion chamber is cooled and protected from thermal damage by means of
HPC downstream air
21
Which loads we can transfer via bearing presented below
Axial and Radial
22
Fuel is heated by
Fuel oil heat exchanger
23
Which low pressure turbine stages rotor blades are Hollow
Only first state
24
PW1500d engine trust rating depends from
EEC and DSU part number
25
How many stages has high pressure compressor
8
26
The tour been active clearance control system provides fun … turbine cases
To limit turbine case growth due to thermal expansion
27
Engine oil quantity can be checked
Visually through sight glass synoptic page OMS HMU
28
The N1 is limited to maximum speed of
10.600 RPM
29
What is the function of 2.5 bleed valve
To provide operational stability of the low pressure compressor
30
What is the meaning of oil dumped bearing
Oil is used for reducing vibration
31
Is it possible to run up engine if aircraft fuel system pumps fail
Yes
32
N2 speed sensor located in
Permanent magnet alternator generator (PMAG)
33
How many drains masts PW1500g engine have
1
34
PW1500g ignition system main components
1 ignition exciters and 2 igniter plugs
35
Which type of bearing is used on 2 and 3 stages
Ball
36
What is the meaning of integral bladed rotor (IBR)
It means that a disc and Blades manufactured as single unit
37
Air turbine started oil servicing method name
Sight glass visual Method
38
During normal operation EEC channels ante normally powered by
A gearbox driving permanent magnet alternator generator (PMAG)
39
Which type of bearing is used on one and 1.5 staged
Tapered
40
Mein gearbox is connected to
Angle gearboxe layshaft
41
Name engine station marked on drawing below with letter z
4
42
How is protected bearing number five and number six from excessive hot exhaust gases flow
By cooling air from LP shaft
43
When engine defect is found and there is no date in available maintenance documation you need to
Request type certificate holder or approved part 21 Organisation of maintenance data
44
High pressure turbine have
2 stages
45
Fan drive gear system oil pump located
In the number 1 and number 1.5 bearing support
46
Name engine station marked on drawing below with letter X
2.5
47
Certificate of conformity (COFC) can be delivered for components like
Consumables and Expendables components
48
What method of bearing lubrication is mainly used for PW1500 bearing
Direct lubrication