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GSM Test Study Guide Questions & Answers 2024/2025
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GSM Test Study Guide Questions & Answers 2024/2025 Who is creddited with inventing the jet engine? - ANSWERSHero Define an open cycle. - ANSWERSAll working fluid passes through the engine only once. How is a GTE classified? - ANSWERSCompressor, combustion, or shaft design What are the...

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  • September 27, 2024
  • 47
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • gsm test study guide questions answers

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GSM Test Study Guide Questions &
Answers 2024/2025

Who is creddited with inventing the jet engine? - ANSWERSHero



Define an open cycle. - ANSWERSAll working fluid passes through the engine only once.



How is a GTE classified? - ANSWERSCompressor, combustion, or shaft design



What are the two types of compressors? - ANSWERSAxial and Centrifugal



What are the 3 types of shaft design? - ANSWERSSingle, split, or twin spool



LM2500 rated at? (hp) - ANSWERS20,000 brake horsepower



LM2500 pt rated at? - ANSWERS3,600 rpm



How many shock mounts does the LM2500 have? - ANSWERS32 shock mounts



Characteristics of a fireproof enclosure - ANSWERS2000*F for 15mins



What schedules VSV position. - ANSWERSGG and CIT

By hydraulic fuel pressure from the MFC



How much air from the compressor is actually used for combustion? - ANSWERS30%



How much air from the compressor is used for cooling, seal pressurization, and ships service use? -
ANSWERS70%

,MFC uses what for fuel scheduling - ANSWERSCIT, CDP, and Ngg



MFC uses what for VSV actuation - ANSWERSGG and CIT



What bearings are in the C sump? - ANSWERS5R and 6R



What bearings are in the B sump? - ANSWERS4R and 4B



What type of oil seal prevents leakage into sumps - ANSWERSLabryinth/windback



What is ignition speed for a GTM - ANSWERS1,200rpm



What rpm are the igniters secured? - ANSWERS4,500rpm



What stage is used as bleed air. (CDP) - ANSWERS16 stage



What Is the Pt2 - ANSWERSCompressor Inlet total pressure



What is the Pt5.4 - ANSWERSPower turbine inlet total Pressure



What is T2 - ANSWERSCompressor Inlet Temperature



What is T5.4 - ANSWERSPower turbine Inlet gas temperature



When date were both GSE and GSM put into effect? - ANSWERSOctober 1,1978



What does the bell logger do? - ANSWERSLegal document of any engine order regarding a change in the
movement of the propeller.

,What is the maximum allowable BS&W of an acceptable replenishment F/O sample? - ANSWERS0.1
percent



What is the designation for JP5? What NSTM? - ANSWERSF-44

NSTM 542



What is the tech manual for boilers? - ANSWERSNSTM 220



What two phosphates do boilers use? - ANSWERSTrisodium phosphate(TSP)

Disodium phosphate (DSP)



What is the NSTM for propulsion reduction gears? - ANSWERSNSTM 241



What is Charles law? - ANSWERSIf pressure is constant. Volume varies directly with temp



What is Boyle's Law? - ANSWERSIf temperature remains the same. Volume decreases as pressure
increases



What is the equation of Celsius to Fahrenheit? - ANSWERSF=(9/5C)+32



What gear does the turning gear drive? - ANSWERSUpper outboard second reduction pinion



How much oil does the vent fog precipitator remove from the air? - ANSWERS95%



What is medium air? - ANSWERS551psi to 1000psi



What kind of motor driven line oil pumps do we have? - ANSWERSVertical screw

Positive displacement

, Flexibly couple to motor



How many twists per inch of .020 are required? - ANSWERS9-12 twists



How many twists per inch of .032 are required? - ANSWERS7-10 twists



What year was the GS rate created? - ANSWERS1978



How are NSTM's kept up-to-date? - ANSWERSBy quarterly changes



What is the primary objective of the 3M system? - ANSWERSTo ensure maximum operational readiness



A deferred action must be prepared if a piece of equipment t CANNOT be repaired within what minimum
time frame? - ANSWERS30 days



What standing order applies specifically to engineering? - ANSWERSRestricted maneuvering doctrine



What shipboard document provides info for reporting, fighting, and extinguishing a fire - ANSWERSThe
ship's fire doctrine



How often do the cheng and CO sign the engineering log? - ANSWERSCheng- daily

CO- last day of month



What colors are used for safety posters? - ANSWERSRed and yellow



How many thermocouples are on a GTM? - ANSWERS11



How many thermocouples are on a GTG? - ANSWERS18

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