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Engine_2014 : General Subjects - 2216/3524
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Hydraulically, servo-operated, automatic, change over valves, utilized in a two ram hydraulic steering gear, serve to __________.
A) allow an alternate main pump to start in the fully loaded condition thus developing immediate full torque.
B) prevent the idle main pump from being hydraulically motored by cross pressure flow.
C) prevent main pumps from operating simultaneously which could result in the over pressurization of the system.
D) all of the above.
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