When a turbine is in operation, a rotor position micrometer is used to determine any change in rotor __________.
Official USCG Answer & Rule Citation
Correct Answer: Option C — axial position relative to the casing
In USCG Steam Plants (Boilers & Turbines), regarding 'When a turbine is in operation, a rotor position micrometer is used to determine any change in rotor', the verified engineering fact is: 'axial position relative to the casing'.
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