Pass Benchmark: 70% • Standard: USCG NMC / 46 CFR

USCG Engine Gas Turbines (Supplementary) (Set 3)

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Question 1 of 30

Which of the following statements is true concerning the fuel oil ignition system of the marine gas turbine engine shown in the illustration? Illustration GT-0017

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30 MCQs

#1 Which of the following statements is true concerning the fuel oil ignition system of the marine gas turbine engine shown in the illustration? Illustration GT-0017 #2 The lubrication principal used by the Kingsbury thrust bearing is _________. #3 The main thrust bearing directly positions which part(s) of the main reduction gear? #4 The purpose of the main reduction gear in a marine gas turbine propulsion installation is to _________. #5 On some marine gas turbine reduction gear arrangements, the reduction gear lube-oil supply pump may also supply oil to which of the following components? #6 What type of main reduction gear arrangement prevents independent axial and rotational movement of the pinions? #7 The main reduction gear performs which of the following functions? #8 What feature is commonly used on articulated reduction gear arrangements for the correction of misalignment between the 1st reduction gear and the 2nd reduction pinions? #9 The term "lockout" on the Synchro-Self-Shifting (SSS) clutch system means that the _________. #10 Rotation of the Controllable Pitch Propeller (CPP) blades is achieved through axial movement of what component in the hub body assembly? #11 What is the purpose of the CPP hydraulic oil power system? #12 On the marine gas turbine shown in the illustration, the power turbine inlet pressure probes would be mounted nearest the area labeled _______. Illustration GT-0017 #13 On the marine gas turbine shown in the illustration, the fuel oil inlet temperature is sensed by _________. Illustration GT-0017 #14 On most marine gas turbines used aboard ships, vibration sensors are identified as _________. #15 On the marine gas turbine shown in the illustration, the compressor "inlet pressure" sensor would be located nearest the area labeled _________. Illustration GT-0017 #16 On the gas turbine engine shown in the illustration, the "T5.4" thermocouples are _________. Illustration GT-0006 #17 When auto starting a GTE similar to the one shown in the illustration, a "False Start" indication will initiate if which of the following conditions occurs? Illustration GT-0016 #18 During an auto-start sequence on the marine gas turbine control console shown in the illustration, what would be the correct order of events required to occur after the start sequence begins? Illustration GT-0016 #19 On a ship with marine gas turbine engines as shown in the illustration, when the engine is operating normally, the enclosure heater will _________. Illustration GT-0022 #20 In a GTE propulsion installation, the typical control system is designed to perform which of the following three functions? #21 What type of pliers are designed to reduce the time used in twisting wire on nuts and bolts? #22 To gain access to a nut or bolt in an area that is hard to reach, you should use what type of wrench? #23 With the exception of having a slot cut in the wrench head, a flare nut wrench is similar to what other wrench? #24 Wrenches that are recommended for use on GTEs should be plated with which of the following elements? #25 When you are using a stroboscope, if the flash speed is faster than the rpm of the object being tested, what effect will this appear to have on the object? #26 Which of the following instruments is designed to help you when performing an internal inspection of the GTE? #27 Cadmium plated tools should NOT be used when performing maintenance on gas turbines because cadmium particles may become imbedded and cause embrittlement in materials made of _________. #28 Inspection mirrors are commonly used for which of the following purposes? #29 4. All marine gas turbine engine references, enclosure references, and clock positions apply to viewing the gas turbine engine shown in the illustration, from the _________. Illustration GT-0017 #30 Routine water washing of the marine gas turbine engine compressor shown in the illustration, is usually performed while operating _______. Illustration GT-0017

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