Gas Turbine Systems Technician – Mechanical (GSM) A School Test 4 Practice

These questions are part of the practice quiz. Start practicing

• The Gas Turbine Engine (GTE) is directly coupled to what component?
• What type of water is used in the water wash sequence?
• What is the PSI of bleed air start?
• What is the speed sensitive valve?
• Which GTG monitors the operation of the GTE, gear, and reduction gear box?
• In the exhaust inner cone, which component is enclosed by a thermal blanket?
• The EOOW conducts self-tests per hour at which rate?
• How many feet of paper remain in the printer logger assembly?
• The gearbox housing and cover, gas producer gear train, and power turbine gear train are components of which assembly?
• When is FADAC/LOCAP fully operational?
• What is the purpose of the Electric Plant Control Console (EPCC)?
• The Fuel Feed and Drain System provides a signal to the FADC/LOCOP when the fuel manifold pressure falls below which value?
• What is the RPM for the cutout of the engine?
• What is the acronym for the human-machine interface used on the system?
• Which component is commonly associated with cooling in turbine systems?
• The zone electric system contains how many protected zones?
• Where is the Redundant Independent Mechanical Starting System (RIMSS) Allison Model 250C-KS4 GTE located?
• Which component in the Start Air System is the air pressure regulator valve?
• What occurs when SSGTG reaches 12,700 RPM?
• Bleed Air System comprises which stages as its bleed air sources?
• What is the output voltage that the ignition leads carry?
• What is the backup system?
• What 2 analog meters are indicated on FADC/LOCOP?
• Which valve controls bleed air stages 5 and 10?
• Which instrument indicates engine speed?
• Which component transmits power from the starting RIMMS to the high-speed reducing gear?
• What is the high main fuel manifold made of?
• Which component arrangement allows the Primary Air Supply Pack to connect via a quick disconnect?
• Which feature allows access to combustion liners without removing the turbine section?
• Which term describes a valve that relieves excess pressure in the fuel system?
• What is the start air pressure?
• Where is the fuel pump mounted?
• What component can be used for water wash?
• What temperature must the FADC/LOCOP cabinet be kept below?
• What transmits power from the starting RIMMS to the high speed reducing gear?
• What type of valve is the solenoid operated butterfly valve?
• At how many psig does the bypass relief valve operate?
• If remote control is lost, where can control be maintained?
• At what RPM does the engine running indicator come on?
• The assembly that houses the gearbox housing and cover, gas producer gear train, and power turbine gear train is the
• Which accessory is not driven by the accessory drive housing?
• What voltage does the ignition excitor convert 28 VDC into?
• EOOW self-tests per hour?
• Where are the water washes located?
• What does EPCC stand for?
• Which component switches board isolation?
• Which measurement is NOT displayed by the two analog meters?
• What is the purpose of the Gas Turbine Generator Set (GTGS)?
• What information do the FADC/LOCOP screen indicators provide about the Gas Turbine Generator Set (GTGS)?
• What is described as a single-piece construction bolted between the rear flange of the inlet casing and the forward flange of the rear bearing support that encases the turbine rotor?
• Which component receives 28 VDC from the ship's No Break Power Supply and converts it to 3,000 VDC?
• What does GTGS stand for?
• What are the 3 main concerns in turbine operation?
• The Machinery Control System (MCS) communicates through which system?
• What do igniters receive from the ignition exciters?
• The high main fuel manifold is constructed from which component?
• Which meter indicates current flow?
• In the ignition system, what is the function of an ignition lead?
• Which panels are part of the Bridge Control Unit (BCU)?
• What information do the two analog meters display?
• During Redundant Independent Mechanical Starting System (RIMSS) operation, air and fuel are mixed and ignited in what section?
• What controls air pressure for starting?
• Fuel nozzles receive fuel from which valve?
• What does EOOW/LU bubble memory provide?
• Which statement about FADAC/LOCAP is true?
• How is the Redundant Independent Mechanical Start System (RIMSS) engine started?
• Which meter indicates relative general speed?
• What does SWBDs stand for?
• Which system communicates between DC-4 and sensors and controls?
• At what temperature will the 14th-Stage Bleed Air Valve be fully closed due to CTIT rise?
• Which of the following is the backup system in the control architecture?
• Rotor wheels and blades are referred to as what?
• What holds the 5th and 10th stage bleed air control valve closed during water wash or fire stop?
• When are the fuel Shut Off Valves (SOVs) closed?
• The EOOW/LU bubble memory provides which type of storage?
• Which system provides centralized control for ship survival stability?
• The Transfer Gearbox (TGB) transmits power for starting the Gas Turbine Engine (GTE) drive train from which engine?
• The Speed Sensitive Valve vents until the engine reaches which rpm?
• What position does the local remote switch need to be in?
• How are alarms acknowledged?
• Which fluid is injected through the water wash nozzle during RIMSS operation?
• Which system supplies the air for starting the gas turbine?
• Which panel provides propulsion control on the integrated bridge system?
• Which conditions should be checked during a Gas Turbine Generator Inspection (GTGI)?
• What are the major components of the ignition system?
• What type of filter are the Low-Pressure (LP) fuel filters?
• How often should gas generators be washed?
• What controls all ships service gas turbine generator operations?
• What component feeds fuel to the drain?
• What is the exhaust from the turbine section called?
• The turbine main casing provides mounting for which stages?
• What happens while starting the RIMS if the emergency stop reaches 13,000 RPM?
• What is the primary function of the accessory gearbox assembly?
• Which valve drains residual fuel from the combustor at shutdown or after a false start?
• Which two parameters trigger the external overspeed/overtemp assembly to initiate a shutdown?
• During a start sequence, what engine behavior do the indicators help monitor?
• Where is the pneumatic starter mounted?
• The valve that directs fuel flow in the HP pumping elements is which type?
• What other systems does the GTG set provide?
• Which device isolates the Gas Turbine Generator (GTG) module in the event of a fire or leak?
• Which assembly includes the gearbox housing and cover, gas producer gear train, and power turbine gear train?
• Spark igniters are in which combustion liners?
• What is the purpose of the compressor bleed air filter?
• When manifold pressure is below the threshold, which panel receives the signal from the Fuel Feed and Drain System?
• Which RIMMS engine component houses the compressor component?
• On which component is the lube oil filter mounted?
• Which option correctly lists a not part of the Bridge Control Unit (BCU) panels?
• Which statement correctly describes the gas turbine generator set fueling system?
• Where is the Full Authority Digital Control/Local Control Panel (FADC/LOCOP) located on the Gas Turbine Generator Set (GTGS)?
• What type of valve feeds fuel to the drain?
• What is the purpose of the fuel nozzle?
• What equipment can be monitored from the gas turbine engine indicators?
• Which items are considered major components of the ignition system?
• The Gas Turbine Engine (GTE) is directly coupled to which component?
• How can standard and non-standard configurations be generated forward and aft using tie breakers?
• Which components are provided to enable connection of a Primary Air Supply Pack (PASP)?
• What type of air mask is used by blowing bubbles?
• The fuel system for the Gas Turbine Engine (GTE) receives its fuel from the ship supply and enters the boost section of which fuel pump?
• What does the gas turbine generator set fueling system indicate about fuel flow?
• Where is the high pressure filter mounted?
• What component protects the Fuel System from over-pressurization?
• What does the water wash inject through the water wash nozzle while monitoring the RIMSS?
• Where is the accessory drive housing assembly located?
• In gas turbine operation, combustion occurs in which section?
• What is the input voltage to the ignition excitor?
• The RIMSS is located inside the enclosure on top of the reduction gear. Which of the following describes its location?
• Where are water washes located?
• What happens if the vibration monitor detects excessive vibration levels?
• Which assembly directs airflow to the first stage compressor blades?
• Which component is mounted on the excessive drive housing?
• How many spark ignitors are used in the ignition system?
• Which two things are needed in the combustor during the start cycle?
• At what temperature will the RIMMS engine shut down?
• Which monitoring system is used by the GTG to monitor the operation of the GTE and gear box?
• Water washing the Gas Turbine Compressor (GTC) removes impurities from which part of the Gas Turbine Engine (GTE)?
• Which action does the external overspeed/overtemp assembly perform when thresholds are exceeded?
• Why should you water wash the Gas Turbine Compressor (GTC)?
• What are the components of the Control Air System?
• Which component is used as the starting air source?
• In a gas turbine engine, ignition occurs in which section?
• What allows access to combustion liners without removing the turbine section?
• Which component provides mounting for the 2nd, 3rd, and 4th stage in the turbine section?
• What type of valves are the 5th- and 10th-Stage Bleed Air Valves?
• Where is the electric control plant located?
• The 360-degree diffuser on the pneumatic starter exhausts air from the starter to which location?
• Where are spark igniters located?
• What does CTIT stand for in the context of bleed air control?
• Which device relieves excess fuel pressure in the fuel system?
• How many protective zones are in the zone electric system?
• Which machinery provides centralized control on reduction gears, propeller, and engine?
• What is the purpose of the damage control system?
• The length of paper remaining in the printer logger assembly is described as?
• Which device is used to drive the boost fuel pump?
• Which is the display panel for operators?
• Which MCS substance system contains 2 plasma?
• In the GTGS fuel system, which of the following lists the valve indicators?
• Which panel on the integrated bridge system shows engine speed for propulsion control?
• What atomizes the fuel in the combustion liners?
• From the gas turbine engine indicators, which subsystem can be monitored?
• What does the water wash inject through the water wash nozzle while monitoring the RIMSS?
• Which valve closes the 5th and 10th stage of bleed air?
• What devices can operate the Gas Turbine Generator Set (GTGS) displays and controls remotely?
• Which pressure source is used to hold the 5th and 10th stage bleed air control valves closed during water wash or fire stop?
• Which statement best describes the role of the fuel nozzle in the combustor?
• What does an ignition lead provide?
• What controls the fuel flow direction in the HP pumping elements?
• What system is used to meter and distribute fuel to the engine?
• The Bleed Air System draws air from which compressor stages?
• Which assembly directs airflow to the first stage compressor blades?
• To open the diffuser bleed control valve, the engine must reach which speed?
• What part of the FADC/LOCOP allows watchstanders to view operational parameters?
• What kind of water is used in the water wash sequence?
• During engine shutdown, what happens to the fuel Shut Off Valves (SOVs)?
• Which console implements communications between the DC/TAC-4 and other consoles, sensors, and controls?
• How many pressure transducers are there?
• Which material type is used for Low-Pressure fuel filters?
• Where does the starter air bleed system come from?
• In the RIMMS engine, which component houses the compressor?
• Which assembly is enclosed by a thermal blanket in the exhaust inner cone?
• Which valve indicators are associated with the GTGS Fuel System?
• Which section is the ignition location in a gas turbine engine?
• Under which conditions does the external overspeed and overtemp assembly initiate an engine shutdown?
• What are the two stations called on the Full Authority Digital Control/Local Control Panel (FADC/LOCOP)?
• Which of the following is NOT a console that makes up the Propulsion Control System?
• What speed should the GTG maintain while motoring the RIMMS?
• At what stage is power dropped to semi power loads?
• Which component is designed to prevent foreign objects from entering the system?
• What is described as a single-stage, foot-mounted, parallel shaft, vertically offset gearbox with double helical gears?
• The fuel pump is mounted in relation to the Accessory Drive Housing (ADH) on which side?
• Automatic Voltage Regulators (AVRs) control power in a diode or what?
• Which valve handles residual fuel drainage from the combustor after shutdown or a false start?
• Which console implements communications between the Damage Control Tactical Advanced Computer Work Station (DC/TAC-4) and other consoles, sensors, and controls?
• Which consoles make up the Propulsion Control System?
• The Redundant Independent Mechanical Starting System (RIMSS) is associated with which engine model?
• Which of the following options correctly identifies the RGB as a single-stage, foot-mounted, parallel shaft, vertically offset gearbox with double helical gears?