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17 Cards in this Set
- Front
- Back
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Force
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=Pressure X Area
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Pressure set in a liquid acts equally in all directions
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Pascal's Law
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Pressurizes, stores and delivers hydraulic oil to move ships loads
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Hydraulic Systems Purpose
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Components of Hydraulic Systems (2)
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Vent & supply tank
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Reservoir for oil
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Vent & supply tank
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Pressurize and move hydraulic oil throughout the system
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Pumps and Motors
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How many types of Pumps
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2, Rotary Screw, Reciprocating
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Ships service, steering and diving hydraulic pumps are (blank) screws type pumps located in the vent and supply tanks
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Rotary Screw
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External Hydraulic pumps are (blank) type pumps located below the external hydraulic vent and supply
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Reciprocating
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Maintain hydraulic oil at a constant pressure, uses air flask (3000 psi) to minimize fluctuations of system pressure
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accumulators
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Directs discharge of hydraulic oil to either accumulator or back to the vent & supply tank
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Hydraulic Pump Bypass Valve
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How Many Distributor Heads
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2, Port and STBD c a supply and return
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Converts hydraulic pressure into mechanical power, consist of a cylinder and piston
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Hydraulic Ram
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How Many Types of Hydraulics
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3, Ships Service Hydraulics, External Hydraulics, Steering & Diving Hydraulics
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To hydraulically operate the ships rudder and stern planes
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Steering & diving Hydraulics
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To hydraulically operate components outside the pressure hull
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External Hydraulics
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to hydraulically operate components within the pressure hull to include fairwater/bow planes & provide a back-up to the steering and diving hydraulic system
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Ships Service Hydraulics
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