Gas Turbine Systems Technician – Mechanical (GSM) Chief Practice Test

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• What is the procedure to emergency start a Gas Turbine Module (GTM)?
• Which law states that for every action there is an equal and opposite reaction?
• For a system to function correctly, how should the frequencies of GTGs be aligned?
• What does NSTM stand for in relation to HAZMAT?
• What is the primary purpose of a Control Work Package?
• Which type of filters are typically used for minute particle filtration in fluid systems?
• What is an essential safety protocol before starting turbine maintenance?
• How many stages does the high-pressure turbine have?
• What is the primary purpose of a coalescer sample?
• What is a key characteristic of a fireproof enclosure in gas turbine engines?
• How many pounds per square inch defines high pressure in air systems?
• There are two basic types of MRG L/O pressure regulating valves. One is pneumatic pressure regulating valves, what is the other?
• What is the scale used for grading performance traits?
• What generator casualty can result from improper operation and pose a risk to equipment and personnel?
• What is the starter duty cycle for an APU on an LCAC?
• What is the primary purpose of using fuel heaters?
• What percentage of air from the compressor is actually used for combustion?
• What provides the interface between the processor and all peripherals or devices?
• When must regular reports for record entry be submitted?
• What is the recommended storage condition for lubricants to maintain quality?
• How many thermocouples are present in the TMF system?
• What are the three types of bills associated with gas turbine operations?
• What is the NSTM associated with Propulsion Bearings and Seals?
• How much potable water is a person estimated to use in a single day?
• What is the main purpose of using lubricating oil in machinery?
• What are the four degaussing coils found in a typical system?
• How often should a starter lube oil changeout be performed?
• What is considered as medium air pressure range?
• What does the abbreviation ccfd stand for?
• Which measurement tool is commonly used for accurate switching of electrical parameters?
• What safety feature is indicated by FADEC in a gas turbine engine?
• Which of the following is a typical use for corrosion inhibiting oils?
• Which of the following is NOT one of the events that set RMD?
• What characteristic of metals is primarily associated with their capacity to stretch without breaking?
• How many struts are present in the centrifugal fuel filter (CFF)?
• Which bearings are found in the B sump?
• Which NSTM number is associated with hydraulic oil?
• What is the purpose of the amplifiers in an LCAC propeller pitch system?
• What is emulsion in terms of liquid mixtures?
• Which document applies specifically to engineering standing orders?
• What is the instruction for Quality Assurance?
• What does POS signify in sample coding?
• What are the four major types of lubricants used aboard Navy vessels?
• What is the most critical area of a torn blade?
• What is the power output of the diesel generators on FFG-7 class ships?
• How often should a gas turbine generator be water washed?
• During VSV rigging, at what degree position does the mechanical rig lock?
• What is the minimum speed required to move through water for prairie air?
• Which of the following can trigger a battle override?
• In which year was the first jet aircraft flown in the United States?
• What is the PLCC called on new 51 class ships?
• What is the primary purpose of medium security locks in gas turbine systems?
• When can work length be extended if environmental conditions are met?
• What device is used to measure the thickness of materials with high precision?
• When is a follow-on survey not required?
• What is the typical purpose of absorbent filters in a fluid system?
• What is one of the key features of the Restricted Maneuvering Doctrine?
• What key component was added after GTC-83?
• When is equipment considered de-energized?
• What is the rated speed of the LM2500 gas turbine engine?
• What describes the relationship between pressure and volume at constant temperature?
• How often should FP samples be taken?
• What kind of fuel test is still conducted on DOD source fuel?
• Which color indication in the hot section of the engine raises immediate concern?
• What is a common consequence of using old lubricating oil?
• What is the purpose of enclosure heaters in the LM 2500?
• During which Civil War battle was the order "Damn the torpedoes! Full speed ahead!" given?
• What must be regularly inspected to ensure safety and performance in a gas turbine system?
• How many stages does the high-pressure turbine have on a gas turbine generator?
• Which type of batteries are used in UPS?
• In an LCAC, what component is responsible for directing control air flow to create a cushion?
• What is a critical environmental concern that FSII addresses in aviation fuel?
• What does the acronym ECU stand for in this context?
• What term describes the rate at which velocity increases?
• Which component is essential for delivering power to a light bulb in a gas turbine system?
• What kind of caliper is L-shaped, with a scale, and long shank?
• Which category of routine EOSS feedbacks are used to request EOSS materials?
• What must be done when shifting from shore power to generator power?
• Which type of aircraft is an all-weather tactical electronic warfare variant based on the A-6 airframe?
• Which instruction describes the details of the Ships' 3-M systems?
• What are the two types of LPAC compressors?
• Which combat systems equipment utilizes chemical warfare capabilities?
• What are the sample requirements for a NON-Dod source?
• What are the four categories of maintenance repair levels for LCAC's?
• Where is the HMIS located?
• What is the PLCC called on a guided missile frigate (FFG)?
• How many shock mounts are present in the LM2500 gas turbine engine?
• What does API gravity test measure?
• Reinforced rubber hose should not be installed if it is over how many years old from the date of manufacture?
• In the context of LCAC, what does FOD stand for?
• What does SECNAVINST 5300.26D address?
• Which three elements are necessary for electricity generation?
• What is used to measure both internal energy and heat?
• How long should you wait before taking samples after shifting service from tanks?
• What is a single document material for MP, Restoration, and inspections?
• How long does the PT brake disengage for when doing a Crashback?
• What is the pressure output of the high-pressure pump on the RO?
• What is one of the purposes of shock mounts in a gas turbine engine?
• How many stages are present in the low-pressure turbine?
• Which type of thermometers are recognized as the oldest and simplest for measuring temperature?
• What does TWM stand for in gas turbine systems?
• How many relief valves are installed in the FFG-7 system?
• What safety equipment is commonly found in an electrical safety bag?
• Which part is referenced with the term TRF?
• Which of the following readings are utilized for fuel scheduling?
• Which performance block contains the date that the member reported?
• How many struts does the power turbine have?
• What is the primary reason for testing the logic circuits of a ship's fuel pumps?
• Which of the following is one of the primary mechanical pressure measuring instruments found aboard ships?
• What term refers to a screen or filtering material that allows fluid flow while stopping various other materials?
• Where is control oil typically used in gas turbine systems?
• What is the effect of low voltage on fuel pump logic behavior?
• What is the role of insulated tools in electrical work?
• Which control mechanism is used to adjust the direction of thrust in an LCAC?
• What must you obtain permission for from the CO in the yards?
• How many 60/400-Hz converters are present on a DD class ship?
• What unit of measurement is commonly used to describe the processing rate of fuel purifiers?
• At what noise level in decibels can severe hearing loss occur?
• What component converts AC power to DC in the 400Hz system?
• What is one of the greatest advantages of a gas turbine engine?
• What does CFT stand for in the context of sample coding?
• What type of filter is designed to trap particles from a fluid by allowing only certain sizes to pass through?
• Which type of combustion chamber is primarily used on engines equipped with a centrifugal compressor?
• What mechanism positions the VSV by hydraulic fuel pressure?
• What does running leakage refer to in gas turbine systems?
• What is the rated horsepower of an LM2500 gas turbine engine?
• How many days may Commanders defer confinement on bread and water or correctional custody?
• Which NSTM reference relates to Gas Turbines?
• In what context is the term "flash point" most relevant?
• What is the NSTM that corresponds to propulsion reduction gears?
• How many SCBA units are onboard a vessel?
• How often should the vent fog precipitator be inspected during MRG operations?
• How long should you flush potable water shore connections prior to hooking up hoses?
• What could be an indication of a malfunction in the GTE based on the triggers for a battle override?
• What unit measures internal energy and heat?
• What is the color associated with general safety information and instructional signs?
• What type of sump is represented by the TMF?
• What is the design of the clutch during a crashback maneuver (flank 3 to full astern)?
• What does a grade of 3.5 represent in terms of promotion recommendation?
• Which type of filter elements are made of closely woven fabric or treated paper?
• What does PMA stand for in gas turbine terminology?
• What type of maintenance involves regular monitoring of equipment performance?
• In terms of airflow management in turbines, how much moisture is typically trapped by air purification systems?
• How many types of discharge are there in military service?
• Which system is used to turn the bow of an LCAC?
• What is the maximum load of a Gas Turbine Generator (GTG)?
• What type of refrigerant is commonly used in reefers?
• Which type of heat transfer occurs without changing the physical state of a substance?
• What is the movement of invisible particles that causes electrical devices to operate called?
• What does Pascal's Law state?
• Under favorable conditions, how many yards can enemy observers see in open woods?
• In the context of gas turbine maintenance, what does the acronym CCFD stand for?
• Where does the JP5 from the hose reel flush go?
• What are three examples of legal documents in engineering?
• What is the purpose of testing all phases during the IVV stages?
• Which term is associated with the rate at which work is done?
• Who is responsible for the overall administration and training of the ship's DC organization?
• Which air stage is primarily responsible for turbine cooling?
• What is the condition for a generator circuit to maintain operation?
• What is the guidance mentioned for GTB 32?
• What is the correct equation for converting Celsius to Fahrenheit?
• Which Quality Assurance (QA) level requires minimal quality control regarding tests or inspections?
• What is the computerized database of material safety data sheets (MSDSs) called?
• What is weepage in the context of gas turbine systems?
• For Category A EOSS, how many working days must pass after receipt of the request to forward requested items?
• What is the payload capacity of an LCAC?
• What is the function of 13th stage air?
• Which warrant officer rank is identified by one 1/2 inch stripe with one break, centered on the outer face of the sleeve?
• At what temperature does Halon 1301 decompose on hot surfaces?
• What is a crucial safety measure for personnel working near a gas turbine?
• EPCC can be divided into operator initiated and what other category?
• What are the two primary types of compressors used in gas turbine engines?
• What is the main purpose of having a deferred action documented?
• What is the main engine starter duty cycle for an LCAC?
• When does the Compressor Discharge Pressure (CDP) switch close and energize the flame out relay?
• Which patrol gunboat class was the U.S. Navy's first entry into the marine gas turbine field?
• Which type of charge must always precede a test discharge?
• How many types of PT brake assemblies are utilized by the SSS clutch system based on ship class?
• Which system provides for automatic start and power control in the TF40B?
• In a performance report, which block contains the signature of the rater?
• What is the maximum allowed time for recovering from heat stress after exposure?
• What is the capacity of a battery measured in?
• What is the rating for a fuel transfer pump?
• What action is typically taken regarding the first test during IVV stages?
• What is the psi rating for power oil in a gas turbine system?
• In which type of stage change does no transfer of heat occur with the system?
• Which type of additive does 2190 carry?
• Who is responsible for signing the engineering log on the last day of the month?
• What are the floating fences made of that confine spilled oil to the hull vicinity?
• What does MFC use for VSV actuation?
• How often must Fuel Oil relief valves be tested?
• What does the acronym RMD stand for in marine operations?
• What does the acronym "3M" in the 3M system refer to?
• How many major designs are there for gas turbine-powered ships engineering control systems?
• What determines the integrity of the stuffing box in pumps?
• What is the number of borescope ports for inspecting turbine blades and nozzles?
• At what rpm are the igniters secured?
• Which of the following systems utilizes chilled water?
• What is classified as a Charlie fire in the context of an LPAC motor control?
• What force causes current to flow through a system of wires?
• What type of gears are cut at a slant?
• What does SDT stand for in the context of sample codes?
• Which control system is implemented on DD-class ships?
• What does BUPERSINST 1610.10E relate to?
• What is Ohm's Law?
• What is fitted on the shaft outboard of the stuffing box glands to prevent leakage?
• If a member receives one or two 2.0 trait grades, what is the highest promotion recommendation they can achieve?
• What does a forced lubrication system utilize to move oil?
• Which inspection results must be kept by a safety officer for compliance?
• How much does each propeller blade typically weigh?
• How frequently is a borescope inspection conducted on a gas turbine engine (GTE)?
• What is fed from the generator side of the Generator Circuit Breaker (GCB)?
• Where is the Executive Control Unit (ECU) located?
• At what percentage should you notify OOD regarding potable water?
• What does SFP represent in sample coding?
• Which type of sexual assault reporting is favored by the DOD?
• What type of compressor rotor structure does the GTM feature?
• When is double barrier detection required in gas turbine systems?
• What does PNA refer to in military evaluations?
• How often are the logic circuits of a ship's fuel pumps tested?
• What are the formal acts that are performed on public occasions called?
• What role does the air/oil separator play in gas turbine systems?
• What percentage of oil does the vent fog precipitator remove from the air?
• How long should a hazy sample be heated to achieve the desired clarity?
• For a .032 wire, how many twists per inch are required?
• In a normal situation, how many paces away should the hand salute be rendered from the individual being saluted?
• Which type are most generators used aboard ships?
• What is the designation for the aft end of the turbine rotor?
• What does ABPA stand for in gas turbine systems?
• Which type of friction exists between a body at rest and the surface on which it rests?
• What is the primary function of the VSV (Variable Stator Vane) in a gas turbine?
• What does the term "brake horsepower" refer to?
• What gear is driven by the turning gear?
• What is the value of a Must Promote evaluation recommendation?
• What is the primary goal of operational risk management (ORM)?
• What is the minimum pressure where double barrier detection is required?
• What is the pressure at which the GTM fuel pump HP relief valve is designed to relieve?
• What should be monitored to prevent hazards in gas turbine systems?
• What instrument is used to measure the amount of current passing through a conductor?
• What voltage rating does a typical ship service power supply operate at?
• When testing a meter, what key aspect are you usually checking for?
• In good weather, how many miles away can lookouts typically spot planes with the naked eye?
• What principle does the PHEL curve provide information about?
• What type of heat transfer involves a change in physical state?
• When should FS samples be taken?
• What does the term “QA level” refer to in quality assurance programs?
• What are the three levels of risk management?
• What function does the SPRU (Ship Service Power Regulation Unit) perform?
• Which agent category includes substances that cause harm or incapacitation to personnel?
• What tool should be used to test a switchboard for grounds?
• What is the process that oil molecules undergo when they react with oxygen?
• After CO2 has been dumped, how long must the module be purged before it is safe for entry without life support equipment?
• At what speed in the water should masker air be utilized?
• What is the minimum age required for OCS applicants?
• What are the two types of DFS's?
• What colors are mandated for safety posters?
• How often do the Chief Engineer and the Commanding Officer sign the engineering log?
• What is defined as "Doing Work"?
• Compression ratios of diesel engines typically range between which two values?
• How much do stack gases reduce stay times by?
• Which inspection frequency is recommended for air filters in a gas turbine system?
• For how many years must the safety officer retain zone inspection results?
• What are the three characteristics a log should possess to achieve its overall intent?
• What is a structural unit used to lift, transfer, or support heavy weights called?
• What are the three most common filter element construction types?
• Which component is crucial for maintaining efficiency in a gas turbine engine?
• What are the basic types of valves used to control fluid flow generally divided into?
• How many twists per inch are required for a .020 wire?
• What is Bernoulli's principle concerned with?
• In the context of electricity, what is the movement of invisible particles called?
• What types of setups can centrifugal pumps have based on the shaft position?
• How long would it generally take to change out a GTE on a hovercraft?
• How many days after the PFA must a member review and verify the accuracy of PFA data?
• Which type of energy is usually associated with large bodies or objects?
• Which type of calipers contains a straight measuring rule?
• At what psig does servo pressure peak?
• What type of combustion process is typically used in gas turbine engines?
• What is typically the primary purpose of the cowl assembly in the combustor?
• What does demulsibility refer to in lubricants?
• When is it necessary to use double hearing protection?
• For which purpose should gate valves not be used unless specifically authorized?
• Which system is commonly evaluated for performance in military applications?
• Which type of diesel engines are primarily used by the Navy?
• What are the two types of Automatic Bus Transfer (ABT) systems?
• What is the maximum expected bleed air temperature in gas turbines?
• What has a positive charge of electricity equal and opposite to the charge of the electron?
• Thief, static, and which other method are the three oil sampling methods commonly used aboard ships?
• What type of oil seal is used to prevent leakage into sumps?
• What factor can influence the performance of the radar systems mentioned?
• What follows after stilling a fuel transfer?
• Which type of valves are used for straight-line flow and minimum restriction?
• In which performance report block is the signature of the individual being evaluated found?
• When should a heat stress survey be conducted?
• The free-piston engine is also known as what?
• When should you conduct an electrical test on all phases?
• What is the term for the amount of heat that changes the temperature of air when added or removed?
• LCAC ships supply 400-Hz, 120- up to how many-volts of AC power?
• How frequently should steering units be shifted?
• In what year was the GS rate established?
• What is one of the main functions of FSII in fuel systems?
• What does the abbreviation GTC stand for in the context of the gas turbine systems?
• What is the method for keeping NSTM's current?
• Which component is tested annually for its effectiveness?
• Satisfactory tooth contact is defined as at least what percentage?
• What type of compressor utilizes a screw mechanism?
• What is the instruction for creating a family care plan?
• In which type of gear drive do the individual propulsion units consist of the main turbines and the main reduction gear?
• What constitutes leakage in a gas turbine system?
• What critical information do you lose when the ECU fails?
• What does LVP stand for in the context of electrical systems?
• How do you rig casualty power in a distress situation?
• Which block in a performance report includes the member's duty/competitive status?
• What is the HP start procedure reference for a GTM emergency start?
• What percentage of airflow is allocated for cooling, seal pressurization, and ship's service use?
• The GTGS base's steel frame is attached to the ship's structure using mounts with what weight capacity?
• What package is created for record of repairs when required by higher authority?
• How long after initial operation should coalescer samples be taken?
• How many elements does the lube oil scavenge pump consist of?
• How many levels does Quality Assurance (QA) have?
• What instrument is used to measure Fuel Oil temperature?
• Who is permitted to access the SIB (Ship Information Book)?
• At what PSI is bleed air typically regulated?
• What type of lubrication system is used for line shaft bearings?
• How often should electric motor air filters be cleaned?
• What is meant by the fire point of a fluid?
• What is the primary function of the SPY system in combat operations?
• How long are operational logs typically kept on board?
• At what percentage does the speed relay disengage the electric starter in a gas turbine engine?
• Which of the following are categories of the final multiple computation?
• The primary function of nozzles in a steam system is to convert thermal energy into which type of energy?
• How long are samples from head tanks valid for?
• Which organization issues special instructions for nylon FOD screens?
• What is the primary use of 9th stage air in gas turbine systems?
• Where is the CIT sensor placed in a gas turbine system?
• What is the acceptable amount of CCFD in gas turbine systems?
• What is the typical temperature requirement for flash point testing of fuel?
• What is the performance grade for Early Promote promotion recommendations?
• Anyone entering a GTM must wear fire retardant gloves if it has been operated within the last how many hours?
• What is defined as a semi-permeable membrane in this context?
• What is the total horsepower of an LCAC?
• What is used for urgent communications between Department of Defense addresses?
• What type of oil is recommended for high-speed and high-temperature applications?
• What is the flat surface with cooling holes that forms the after edge of the blade airfoil?
• Which component is critical for maintaining fuel flow in the GTM?
• How many months is a TSO allowed to remain in effect beyond its effective date?
• At what voltage level is it necessary to wear arc coveralls?
• Which component is critical for the timing of valve operations in gas turbine engines?
• Which type of fan is crucial for air cushioning in the LCAC?
• What is the output speed of the gas turbine generator (GTG) in a standard setup?
• What are the five periodicities for taking a lube oil sample?
• What is the necessary action if any reading is below 30 during the IVV test?
• What does RTD stand for in relation to temperature measurement?
• How is a gas turbine engine classified?
• What type of impellers are most centrifugal pumps in the Navy equipped with?
• Which of the following is NOT included in an electrical safety bag?
• Which law describes the relationship between force, mass, and acceleration?
• How many clicks are there per revolution of the MFC adjusting screw?
• What block of the performance report contains the member's billet subcategory, if applicable?
• Which bearing receives air from the 9th stage in a gas turbine engine?
• Which radar system is affected by seawater?
• Which function does FSII perform to benefit fuel systems?
• What is the PACC referred to on a guided missile frigate (FFG)?
• What is the highest classification permitted for performance report supplements when classified comments are necessary?
• What does TBR stand for in water quality testing?
• How is the normal operating pressure of a ship's fuel system typically maintained?
• From which stages can bleed air be extracted on a GTM?
• What is the maximum size of objects that the FOD screen prevents from entering the engine?
• What does the acronym IVV stand for?
• What does the abbreviation 1VL represent in electrical terms?
• What is the main purpose of operating logs?
• Which document covers the Navy's performance evaluation system?
• When should caution be exercised concerning work performed over the side of a ship?
• What type of air conditioning system is mentioned?
• Which of the following grades is necessary for receiving an Early Promote recommendation?
• What role do greases play in lubrication?
• What is the term for the increase in velocity in gas turbine systems?
• How is hydraulic oil defined?
• Which of the following components is NOT part of the high-pressure turbine?
• What alarm status does the GTM VIBS show for a high condition?
• What is the common cause of fires on vessels?
• If equipment cannot be repaired, what is the minimum time frame for preparing a deferred action?
• What should the reading be when testing the meter to itself?
• How many thermocouples are typically found on a Gas Turbine Marine (GTM)?
• What does the acronym DC stand for in sample coding?
• What type of motor-driven line oil pumps are used?
• What primary factor influences the design of a gas turbine combustor?
• Into how many panels is the EPCC subdivided?
• Which grade indicates a member is not recommended for promotion?
• Work must be stopped when working over the side or aloft when the ship begins to roll in excess of how many degrees?
• Which of the following describes latent heat?
• What is any device used to control fluids in a closed system called?
• How is the national ensign hoisted and lowered?
• What does FSII stand for in the context of fuel systems?
• What is the purpose of conducting a borescope inspection on a GTE?
• Which of the following operations will commonly require the use of lube oil samples?
• What is the distance within which passing honors for ships are exchanged?
• What is the focus of OPNAVINST 3500.39C?
• What is the shape of herringbone gears?
• What type of systems utilize positive displacement oil pumps?
• Which position does the Variable Stator Vane (VSV) schedule?
• How many Navy ships were in active service a year and a half after the Civil War?
• What should be considered when evaluating sampling intervals after service shifts?
• Which components make up the 400Hz system?
• What describes the knowledge and abilities required of every enlisted person in the Navy?
• What is the device called that indicates temperature changes by its response to volume or pressure changes?
• Brass and bronze valves are never used in systems exceeding which temperature?
• What type of recognition is given for exceptional service in the Navy?
• Which of the following is NOT a reason to utilize a battle override?
• What component must be timed with the crankshaft to ensure proper operation of the valves?
• What is the primary purpose of the TXV in a refrigeration system?
• How many levels of responsibility does the Quality Assurance (QA) program encompass?
• What logic behavior do fuel pumps exhibit when the pressure is under 35?
• What is the first step to take in case of a Charlie fire in a switchboard at EPCC?
• What factors contribute to the angular position of Variable Stator Vanes (VSV)?
• What is the first step the oil lab takes before conducting a flash point test on a fuel sample?
• What is the heat stress recovery time after exposure?
• What is the distance from land recognized for making water?
• What is the page number in the enlisted service record that contains information on occupational training and awards?
• What is oxidation in relation to lubricants?
• How is the MFC adjusted in the system?
• What type of caliper is used in conjunction with a scale?
• Boyle's Law states that if temperature remains constant, what happens to volume as pressure increases?
• What is an allowable limit for sediment in a lube oil sample?
• What component is typically used to prevent fluid leakage from a stuffing box?
• Which term describes the ratio of clicks to speed adjustment on the MFC?
• Who is responsible for delivering all audit guides for audits?
• What city is the U.S Naval Academy located in?
• What are the three types of shaft design in a gas turbine engine?
• What elements are used by MFC for fuel scheduling?
• How did the fire on the Hue City reportedly start?
• Which type of caliper is mainly used for locating the center of a shaft?
• In a refrigeration system, what does the TXV help to regulate?
• What is generally considered an important property of turbine oils?
• What is the acceptable Free Water Detector (FWD) PPM for F-76?
• Which component is NOT part of the IVV testing process?
• What type of guidance is referenced in GGTB #6 REV 1?
• For how long are engineering logs maintained on board?
• What type of filter element is used to separate particles from fluids?
• How many logic card assemblies are used in the turbine start/stop sequencing?
• How many fuel nozzles are typically found on a gas turbine generator?
• How many borescope ports on the LM2500 allow for the inspection of the combustor and fuel nozzles?
• What is the NSTM for legal records and operating logs?
• What is the normal body temperature of a human?
• What is the purpose of labyrinth/honeycomb seals in gas turbine engines?
• What is the ignition speed for a GTM?
• How often should DCV samples be visualized?
• What alarm indicates a Charlie fire in a generator?
• What standard pressure reading does a Bourdon-tube typically provide?
• Who was the President when the United States Navy was established?
• Which coil is NOT one of the four degaussing coils?
• How many shore power breakers do DDGs have?
• How many 4-way, 3-position solenoid-operated valves are used to control the cushion vanes on the LCAC?
• What does Newton's First Law state?
• Which type of ships are fast and have a variety of armaments but have little to no armor?
• How long should potable water fittings be soaked?
• What is the maximum allowed concentration of JP5 in parts per million (PPM)?
• In addition to drawings, what conveys necessary information to personnel maintaining, operating, and repairing equipment?
• What temperature indicates a hot bearing on a Gas Turbine Generator (GTG)?
• What should you do if a purifiable sump sample appears hazy?
• What is a unique characteristic of oils formulated under specification 2190?
• What is indicated by the code 4R 4B in a compressor?
• What kind of caliper is used for locating the center of a shaft?
• At what voltage requires approval for energized equipment?
• What is a significant aspect of a ship's fire doctrine?
• What defines an open cycle gas turbine engine?
• How do you validate a hanging dry bulb's accuracy?
• What is the 8th stage air in a gas turbine engine primarily used for?
• Which stage of bleed air is specifically used for balance piston air?
• What is the duration for which bell logs are maintained?
• Which block of the performance report contains the member's grade/rate?
• How long is a heat stress survey typically valid?
• How many stages do most present-day engines have?
• What is typically the maximum score achievable by a member who has been given a grade of 2.0 in two categories?
• What colors are the shore power cables used in gas turbine systems?
• What is the most important type of drill held aboard ships?
• Where can the reporting system for full power and economy trial results be found?
• What is a common purpose of a boom in heavy lifting applications?
• Which of the following is a common indicator of poor fuel quality?
• Which statement accurately describes hull penetrations that affect double barrier detection?
• Which type of valves are typically used in high-pressure, high-temperature systems?
• How many bearings are present on a Main Reduction Gear (MRG)?
• How many gallons of fuel can the PHM fuel purifier process per minute?
• According to Charles's law, what happens to volume at constant pressure when temperature increases?
• What is described as a dynamically balanced unit consisting of blades attached to a rotating disk?
• Which of the following materials typically requires double barrier detection?
• What is the configuration of a centrifugal pump in terms of stages?
• What is the essential difference in fuel receiving requirements between DoD and Non-DoD sources?
• What class does gas turbine oil 23699 fall under?
• What function does the GTM VIBS perform during a STOP condition?
• What monitors AC generator output to provide voltage regulation and control and to protect the generator and its electrical load?
• At what location is the PT2 found?
• What is an important quality of air used for cooling in a gas turbine system?
• Where are carbon seals typically used in gas turbine systems?
• What shipboard document provides information for reporting and extinguishing fires?
• Which of the following methods is used to shift from ship to shore power?
• What is the frequency for taking GFT samples?
• What is the purpose of TOPS in a generator system?
• Which bearings are located in the sump of the GTM?
• How many degrees of increase in hanging dry bulb would necessitate a follow-on survey?
• What is the maximum speed setting set by the manufacturer for the system?
• What does the number associated with a micrometer refer to?
• What is the low oil pressure trip point indicated by GTM L/O Pressure?
• What is the NATO code for JP-5 fuel?
• What action needs to be taken to restart after a power loss in a system with LVP?
• Which lubricating system relies entirely on gravity?
• What is the flash point threshold considered critical for double barrier detection?
• What is the maximum frequency of AC used on ships?
• What unique feature does the diffuser of a gas turbine generator have?
• What is the only component mounted on the forward end of the AGB?
• Which type of seal is designed to prevent leakage in only one direction?
• What type of voltage does the Permanent Magnet Assembly (PMA) produce?
• What defines Leakage in terms of gas turbine maintenance?
• What force is responsible for causing current to flow through a system of wires?
• Which component in the radial drive shaft prevents over-torque to the AGB?
• What are the two types of GTE compressors?
• What is the lowest dew point temperature that many air-drying units can achieve?
• Which filter rating indicates the size of the largest opening or pore in the filter?
• What is the primary purpose of using a Formal Work Package (FWP)?
• How is power defined in the context of work?
• What does the abbreviation APU stand for?
• Which bearings are located in the C sump?
• Which law describes the relationship between volume and temperature at constant pressure?
• What stage air is used to feed the 7B bearing in a gas turbine engine?
• What is the API test requirement for a substance to float on water?
• What does the size of a micrometer indicate?
• What does GTB 17 refer to in the context of gas turbine systems?
• What protective equipment is required for IVV procedures?
• Where is the D sump located?
• How is the time weighted mean (TWM) calculated?
• How is the quality of a purifiable sump sample assessed?
• What are two disadvantages associated with gas turbine engines?
• How does the Low Voltage Protection (LVP) function after a power loss?
• What does phase sequence indicate in an electrical system?
• How many thermocouples are typically found on a Gas Turbine Generator (GTG)?
• What is the maximum temperature for a space to be classified as a recovery zone?
• In a gas turbine system, what does Ngg stand for in fuel scheduling readings?
• Which stage is used as bleed air in CDP?
• Which document is associated with the current heat stress instruction?
• What metal property is characterized by the ability to easily shatter?
• Which engine type has a single stream of airflow?
• What does NIIN uniquely identify?
• What is the primary purpose of storage tank recommendations for new lube oil delivery?
• Who is responsible for setting the maximum speed setting for the system?
• What is one of the main purposes of the OD box in a gas turbine system?
• Which part of the gas turbine system provides information about power connection?
• What component works with shock mounts to maintain the proper mounting and alignment of the MRG?
• Which type of filters are usually resin-impregnated for strength?
• Which system is used by the EOOW/LU to monitor engineering systems?
• What is the flash point of lube oil?
• Why is high heat detrimental for oil?
• What type of instrument is primarily used for measuring fluid pressure?
• Which components make up a combustor?
• What is a particle with a mass roughly equal to that of a proton, but no electrical charge?
• What is a common maintenance procedure for hydraulic systems in ships?
• Which of the following is normally a low voltage DC power source?
• What is the minimum height that shore potable water hoses should be above deck?
• In a performance report, what does a grade of 5.0 generally signify?
• What does PHEL stand for in relation to the PHEL curve?
• Which statement is accurate regarding an adiabatic stage change?
• What is housed in the NO.3 strut of a gas turbine engine?
• What do labyrinth/windback seals primarily function as?
• How many gallons of emergency potable water does the medical room hold?
• In the context of engines, what does the term 'two-stroke' refer to?
• What does the 'cool down period' refer to in an APU's starter duty cycle?
• What is the primary goal of the 3M system?
• What does SAE stand for in automotive terms?
• What is the purpose of the Low Voltage Release (LVR) device?
• What is the definition of flash point?
• In LCAC maneuvering, what aspect is controlled along with direction and speed?
• Which type of caliper is used for measuring inside and outside dimensions as well as other dimensions?
• What is the valid duration for a performance prediction study (PPS)?
• When is cooling gear not required according to work length and dry bulb temperatures?
• What is the standard temperature used to correct specific gravity readings in most standard storage batteries?
• In gas turbine systems, what specific function does an RTD serve?
• How often should hydraulic systems be inspected for fluid quality?
• What percentage of air from the compressor is used for cooling, seal pressurization, and ship service use?
• At what pressure do the LPACs typically kick on?
• What is the psi rating for control oil in a gas turbine system?
• In the military, how are discharge types categorized?
• Which characteristic is most crucial for turbine oils in service conditions?
• What form must the engineering log be hand-written on?
• What is the primary purpose of the Automatic Paralleling Device (APD)?
• What does STFP refer to in sample coding?
• What type of air is the source of bearing pressure seal air and bleed air for cooling?
• What is the duty cycle time for an igniter?
• What are the two broad types of antipersonnel agents?
• What is the role of the lube oil in gas turbine systems?
• What is the primary propulsion plant operation station on the FFG-7 class ships?
• At what temperature can fuel potentially auto ignite without a spark?
• Which type of valve and its related thermostatic control switch maintain the proper temperature in the refrigerated space?
• What is a common feature of helicial gears?
• In an LM2500, where is fuel introduced?
• What are the three basic types of lubrication systems?
• FADEC will prevent an engine from starting if the EGT exceeds what temperature?
• What is the primary concern when examining the Total Bromine Level (TBR)?
• What is the recommendation for new lube oil delivery regarding storage tanks?
• What is one reason emulsion formation in lubrication systems is undesirable?
• What is the standard percentage of air to fuel in a Gas Turbine Machinery (GTM)?
• How is seepage defined in terms of leakage in gas turbine systems?
• What is a characteristic of extreme pressure (EP) additives?
• Who is credited with inventing the jet engine?
• Which component is part of an LCAC propeller pitch system?
• What percentage of airflow is utilized for the combustion process?
• What minimum distance must a hanging dry bulb be from a ventilation source?