The main propulsion shaft turning gear usually connects to the free end of the high-speed high pressure pinion because the __________.
Official USCG Answer & Rule Citation
Correct Answer: Option D — greatest gear ratio between the turning gear motor output and bull gear can be obtained
In USCG Steam Plants (Boilers & Turbines), regarding 'The main propulsion shaft turning gear usually connects to the free end of the high-speed high pressure pinion because the', the verified engineering fact is: 'greatest gear ratio between the turning gear motor output and bull gear can be obtained'.
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