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What does PPE stand for in relations to the Engine WRB generation.
Power Plant Engineer.
What type of blade root attachment do the HPT blades have?
FIR-Tree
How many twists should a 0.8mm(0.032") safety wire have per inch?
Generally 9-12 TPI, depends on the EM.
What does EM stand for?
Engine Manual
In which of our IT systems the Offlog is performed?
ECMS
Which main bearing seal is not found in a turbofan engine?
Brushseal
You want to heat up a bearing for an assembly process, which methods are released from the engine manufacturer?
Heat Gun, Induction Heater, Gas Burner
Which is the standard sight / view of counting / positioning / numbering of parts on the engine or modules?
Aft Looking Forward (ALF)
What does IPC stand for related to aviation documentation?
Illustrated Part Catalogue
What is the name of the airflow that provides the main thrust of the turbofan engine?
Bypass-/Secondary airflow
80%
Which two types of seals in the bearing area are contact seals?
Carbon Seal & Brush seal
After the disassembly and offlog of an part, what is normally the next step in our overhaul and maintenance process with this part?
Cleaning Shop Order
What must you do before you are using a torque wrench?
I need to check the calibration sticker and test the torque wrench on a torque tester. If the torque wrench passes this test, I can use it.
Who is the issuer of an Service Bulletin and Airworthiness Directives?
An Engine Manufacturer for SB
A Regulatory Aviation Authority for AD.
Which system allows air to flow from the primary to the secondary airflow?
VBV System
What does CSN,TSLSV and CSLSV mean?
Cycle Since New
Time Since Last Shop Visit
Cycle Since Last Shop Visit
In what order does the airflow pass through the main engine components(modules)?
LPC – HPC – Combustor – HPT – LPT
How should bearing parts be heated?
Oven / Induction heater
In which answer can you find documents published by the OEM?
SPM and AMM
You want to start disassembly or assembly the engine/module, which requirements must be met in order for you to start working regards to the operation card?
The operation card must be printed and the CS Order must be the same than in th WRB and the plan must be released in the WRB
Which of these bearings is referred to as a fixed bearing?
Ball bearing
What is meant by the term booster?
A multi-stage compressor in the low-pressure section.
What should you generally look out for with torque wrenches?
1. Do not attach any extension to the handle, as this will distort the set value.
2. A torque wrench is not used for loosening.
3. If it falls down, it can no longer be used and the measuring equipment officer must be informed.
In an Engine Manual inspection task the term "Galling" is used, where do you find the definition of this type of damage?
SPM
Which rotor system is driven by the starter when starting the engine?
N2