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- Third Assistant Engineer (Steam-Motor-Gas Turbine Plants (Unlimited)) »
- Q538 - Steam Plants II
297. While a vessel is underway, the low-pressure turbine high-speed pinion of the main reduction gears is damaged. After the damaged high-speed pinion is removed and the main engines are placed back into operation, what would be the speed and direction capability of the main propulsion engines?
Removal of the low-pressure turbine high-speed pinion disconnects the low-pressure turbine, including its astern components, leaving only the high-pressure turbine to drive the shaft, resulting in reduced speed ahead only.
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