問題一覧
1
The most common damage to a compressor is from _______.
fod
2
The most common dye penetrant for daylight use is colored _______ (red, green, orange).
red
3
A common graphite lead pencil _______ (is or is not) an acceptable marking device for hot section components.
is not
4
The term __________ refers to adjustments that are made to a turbine engine fuel control.
trimming
5
Blade _______ (creep or untwist) is a term used to describe the permanent elongation of turbine blades.
creep
6
What do the initials QECA stand for?
quick engine change assembly
7
After a combustion liner has been repaired by welding, it must be _______ _______ to relieve built-up stresses.
heat treated
8
A partially clogged fuel nozzle causes a condition known as _______ _______.
hot streaking
9
When is it usually necessary to trim a turbine engine fuel control? a. __________ b. __________ c. __________
engine change, fuel control change, when the engine is not developing full thrust
10
Primary creep occurs on a turbine blade __________(slowly, during the first run, after 100 hours operation).
during the first run
11
Blade _______ (creep or untwist) occurs in both turbine blades and turbine vanes as a result of excessive gas loads on their surfaces.
untwist
12
Properly cleaned bearings should be dried with a lint-free cloth or allowed to _______dry.
air
13
Minor damage to engine compressor and fan blades _______ (are or are not) repairable.
are
14
When properly adjusted, engine controls will have a small amount of _______ __________ at each end of their travel.
spring back
15
Turbine blade ____________________ (cracking or erosion) is the result of the wearing away of metal, either from the gas flow across the surface or the impingement of impurities in the gases on internal components.
erosion
16
Substances that can absorb moisture from the atmosphere are referred to as ____________________.
desiccants
17
Trim adjustments generally include only the _______ and the __________ speed of the turbine engine.
max, idle
18
Compressor blade to engine housing clearances are normally measured with a _______ _______.
thickness gauge
19
Stress rupture cracks in a turbine blade appear __________ (at right angles to, along) the blade length.
at right angles to
20
After installing a turbine engine in a helicopter, it may be necessary to check the alignment of the engine to the _________.
transmission
21
If a blade having a higher or lower moment weight must be used for replacement, a turbine wheel with an even number of blabes will take at least _______ blades, while a turbine wheel with an odd number of blades will require at least _______ blades.
two, three
22
Plasma coating is primarily used to build up parts to their _______ diminsions.
original
23
Stress rupture cracks and rippling of the trailing edge of turbine blades are usually caused by excessive __________.
temperature
24
If a turbine blade is replaced, the new blade must have a _______ _______ that is equal to the old blade.
moment weight
25
Trimming a turbine engine fuel control allows it to produce _______ _______ _______.
maximum rated thrust
26
Stress rupture cracks on a turbine engine normally run __________ (perpendicular or parallel) to the length of the blade.
perpendicular
27
Typically, a turbine engine _______ (does or does not) have a TBO rating like a reciprocating engine.
does not
28
The overhaul of an engine module is considered to be a _______ (major or minor) repair.
major