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Engine : Steam Plants - 753/811
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Which of the following statements represents the significance of the differential pressure existing between the nozzle block and steam chest of a turbo generator equipped with a lifting beam mechanism?
A) The pressure differential necessitates the use of a special balance piston.
B) The pressure differential requires the installation of a special biasing spring to open the valves.
C) The pressure differential assists in seating the valves when the lifting beam is lowered.
D) The pressure differential eliminates the possibility of valve binding in the lifting beam.
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