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- Third Assistant Engineer (Steam-Motor-Gas Turbine Plants (Unlimited)) »
- Q538 - Steam Plants II
133. A steam driven 750 KW turbo generator has a rated speed of 1200 RPM. The over speed setting for this unit must not exceed __________.
Marine standards limit overspeed for steam turbine generators to 15% above rated speed. With a rated speed of 1200 RPM, the maximum allowable overspeed is 1380 RPM (1200 RPM x 1.15).
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