問題一覧
1
PW1500d engine trust rating depends from
EEC and DSU part number
2
Air turbine starter oil system is
Using engine oil for lubrication and Cooling
3
Inlet cone of PW1500 engine has
Anti-ice protection using 2.5 bleed air
4
Fan drive gear system oil pump located
In the number 1 and number 1.5 bearing support
5
Whitch type of bearing is used on 4.5 an 6 stages
Roller
6
If PW1500g engine will be not used for more than 60 days which preservation method must be used
Method II
7
Which loads we can transfer via bearing presented below
Axial and Radial
8
How many stages has high pressure compressor
8
9
A motor to start dry crank is incorporated into every engine start sequence
To clean engine from remaining fuel
10
Intel corn of PW1500 engine is made from
Composite material
11
Where the FDD Engine Mount is attached to
Fan case assembly
12
Combustion chamber is cooled and protected from thermal damage by means of
HPC downstream air
13
The N1 is limited to maximum speed of
10.600 RPM
14
Name engine station marked on drawing below with letter X
2.5
15
Mein gearbox is connected to
Angle gearboxe layshaft
16
Add a system actuators for engine Cooling and stability control actuated by
Pressurized fuel
17
During normal operation EEC channels ante normally powered by
A gearbox driving permanent magnet alternator generator (PMAG)
18
Which type of bearing is used on one and 1.5 staged
Tapered
19
The tour been active clearance control system provides fun … turbine cases
To limit turbine case growth due to thermal expansion
20
What is the meaning of oil dumped bearing
Oil is used for reducing vibration
21
Is it possible to run up engine if aircraft fuel system pumps fail
Yes
22
What method of bearing lubrication is mainly used for PW1500 bearing
Direct lubrication
23
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
24
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
25
Which low pressure turbine stages rotor blades are Hollow
Only first state
26
Fuel is heated by
Fuel oil heat exchanger
27
PW1500 & PW1900 engine has
The same EASA type certificate
28
PW1500g ignition system main components
1 ignition exciters and 2 igniter plugs
29
What is the meaning of integral bladed rotor (IBR)
It means that a disc and Blades manufactured as single unit
30
Which PW1500 bearing are not oil damped type
1.5 and 5
31
Name engine station marked on drawing below with letter z
4
32
What is the function of 2.5 bleed valve
To provide operational stability of the low pressure compressor
33
What is a function of swirlers in combustion chamber
To spin air fuel mixture slow down and stream and create proper flame Contour
34
Engine oil quantity can be checked
Visually through sight glass synoptic page OMS HMU
35
How many drains masts PW1500g engine have
1
36
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
37
How is protected bearing number five and number six from excessive hot exhaust gases flow
By cooling air from LP shaft
38
How many nozzles combustion chamber have
16
39
Air turbine started oil servicing method name
Sight glass visual Method
40
What is the function of element marked red on the pictures below
Is transferring thrust load to aft mount
41
The main body of fan blade is made from
Aluminium
42
During engine run up normally
Only one ignitor plug is working
43
N2 speed sensor located in
Permanent magnet alternator generator (PMAG)
44
Certificate of conformity (COFC) can be delivered for components like
Consumables and Expendables components
45
Which type of bearing is used on 2 and 3 stages
Ball
46
Oil level needed to be checked
Between 5 minutes and 1 hour after ending shutdown
47
High pressure turbine have
2 stages
48
How you can make an access for periscope inspection of Fan gearbox
Throught gearbox shaft and removal of inlet corner