1-24.
If a salinity indicator is
malfunctioning, the water it
monitors must be tested at what
minimum periodicity?
1.
Every 2 hours
2.
Every 4 hours
3.
Every 8 hours
4.
Every 12 hours
1-25.
If a deaerated feed tank is
installed, a dissolved oxygen test
must be performed at what minimum
periodicity?
1.
Every 24 hours
2.
Every 12 hours
3.
Every 8 hours
4.
Every 4 hours
Learning Objective:
Describe the
maintenance procedures needed to
help maintain an MGTE in peak
operating condition.
1-26.
Domestic object damage is defined as
damage originating from which of the
following sources?
1.
The inlet plenum
2.
The uptake spaces
3.
The base enclosure
4.
The inside of the engine
1-27.
If the FOD screen is clogged by soft
items, which of the following
conditions may result?
1.
An increase in power
2.
Low duct pressure
3.
High duct pressure
4.
Elevated turbine inlet
temperatures
1-28.
When working in and around intake
areas, you should take all EXCEPT
which of the following safety
precautions?
1.
Ensure the blow-in doors are
clean
2.
Inspect the intakes for
cleanliness
3. Account for all tools and
equipment
4.
Remove all loose objects from
your person
1-29.
You can find the inspection
requirements and procedures for
borescope inspections in which of
the following sources?
1.
The MGTESR
2.
The MRC
3.
The propulsion plant manual
4.
The engineering log
1-30.
When conducting a borescope
inspection, you must be aware of all
EXCEPT which of the following
factors?
1.
The internal reference points
2.
The inspection areas and ports
3.
The engineer officers
experience
4.
The limitations of your
equipment
1-31.
It is a good engineering practice
for you to review the machinery
history of an engine before a
borescope inspection for all EXCEPT
which of the following reasons?
1.
To know past inconsistencies
2.
To know the components that are
damaged
3.
To know the parts that have been
modified
4.
To know the parts that have been
changed
1-32.
What total number of borescope
inspection ports are located in the
LM2500 compressor?
1.
5
2.
10
3.
15
4.
20
1-33.
After removing the Pt5.4 pressure
probes, what area(s) can you
inspect?
1.
The LP turbine nozzle assembly
2.
The HP turbine nozzle assembly
3.
The LP turbine exhaust, HP
turbine inlet
4.
The LP turbine inlet, HP turbine
exhaust
1-34.
To manually rotate the engine, you
should use which of the following
tools?
1.
18-inch long 3/4-inch drive
extension
2.
18-inch long 3/4-inch drive
socket wrench
3.
18-inch long 1/2-inch drive
extension
4.
18-inch long 1/2-inch drive
socket wrench
1-35.
Zero reference for the LM2500
compressor is established by the use
of which of the following engine
components?
1.
Vane shrouds
2.
Vane blades
3.
Locking lug blades
4.
Carboloy blade pads
3