Question 109Gas Turbine - Assistant Engineer
70% to passWhile standing watch on a ship equipped with the gas turbine engine shown in the illustration, a fire emergency stop is initiated when which of the following situations occur? Illustration GT-0017
Aeither the primary or reserve GTM CO2 system activates
Bthe GTM fire emergency shutdown switch located on the module is activated
Cone of the UV flame detectors is activated
DAll of the above
AI Explanation
The correct answer is D) All of the above. In a gas turbine engine system, a fire emergency stop can be initiated when any of the following situations occur: 1) Either the primary or reserve GTM (gas turbine module) CO2 fire suppression system activates 2) The GTM fire emergency shutdown switch located on the module is manually activated 3) One of the UV (ultraviolet) flame detectors senses a fire and triggers the emergency shutdown All three of these scenarios would properly initiate the gas turbine fire emergency stop procedure, as per Coast Guard regulations and industry best practices for ensuring the safe operation of gas turbine engine systems on ships.
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