1-24.If a salinity indicator ismalfunctioning, the water itmonitors must be tested at whatminimum periodicity?1.Every 2 hours2.Every 4 hours3.Every 8 hours4.Every 12 hours1-25.If a deaerated feed tank isinstalled, a dissolved oxygen testmust be performed at what minimumperiodicity?1.Every 24 hours2.Every 12 hours3.Every 8 hours4.Every 4 hoursLearning Objective:Describe themaintenance procedures needed tohelp maintain an MGTE in peakoperating condition.1-26.Domestic object damage is defined asdamage originating from which of thefollowing sources?1.The inlet plenum2.The uptake spaces3.The base enclosure4.The inside of the engine1-27.If the FOD screen is clogged by softitems, which of the followingconditions may result?1.An increase in power2.Low duct pressure3.High duct pressure4.Elevated turbine inlettemperatures1-28.When working in and around intakeareas, you should take all EXCEPTwhich of the following safetyprecautions?1.Ensure the blow-in doors areclean2.Inspect the intakes forcleanliness3. Account for all tools andequipment4.Remove all loose objects fromyour person1-29.You can find the inspectionrequirements and procedures forborescope inspections in which ofthe following sources?1.The MGTESR2.The MRC3.The propulsion plant manual4.The engineering log1-30.When conducting a borescopeinspection, you must be aware of allEXCEPT which of the followingfactors?1.The internal reference points2.The inspection areas and ports3.The engineer officer’sexperience4.The limitations of yourequipment1-31.It is a good engineering practicefor you to review the machineryhistory of an engine before aborescope inspection for all EXCEPTwhich of the following reasons?1.To know past inconsistencies2.To know the components that aredamaged3.To know the parts that have beenmodified4.To know the parts that have beenchanged1-32.What total number of borescopeinspection ports are located in theLM2500 compressor?1. 52. 103. 154. 201-33.After removing the Pt5.4 pressureprobes, what area(s) can youinspect?1.The LP turbine nozzle assembly2.The HP turbine nozzle assembly3.The LP turbine exhaust, HPturbine inlet4.The LP turbine inlet, HP turbineexhaust1-34.To manually rotate the engine, youshould use which of the followingtools?1.18-inch long 3/4-inch driveextension2.18-inch long 3/4-inch drivesocket wrench3.18-inch long 1/2-inch driveextension4.18-inch long 1/2-inch drivesocket wrench1-35.Zero reference for the LM2500compressor is established by the useof which of the following enginecomponents?1.Vane shrouds2.Vane blades3.Locking lug blades4.Carboloy blade pads3
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