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Hydraulics Terms

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Term
Definition
show What does a fluid power system use as the medium through which to transmit force from one part of the system to the other?  
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Blaise Pascal   show
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show Pascal's can be used as a unit of measurement for __________?  
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show _____________ is force per unit of area.  
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The larger piston   show
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Multiplied   show
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show Hydraulic systems allow force to be transmitted by the use of_________.  
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show Liquids are mostly ________________.  
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show Pressure is measured in __________.  
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show When pressure is unknown, it is calculated as _____________.  
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Pressure Times Area   show
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Hydraulic Pump   show
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The extension speed stays the same   show
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show Two cylinders that work together in unison are said to be _____________________.  
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show Power is __________________________________.  
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show Two ways to decrease the speed at which a cylinder rod extends or retracts are by using a flow control valve to decrease the flow rate into the cylinder and by __________.  
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Work   show
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show It is necessary to have a pressure relief valve in order to _________________ the maximum system pressure and working forces.  
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show In a hydraulic circuit, the ________________ holds the oil.  
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show Hydraulic power requires a ______________ amount of energy to control and transmit tremendous power.  
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show ____________ are used to remove any foreign particles so as keep the fluid system clean and efficient, as well as avoid damage to the actuator and valves.  
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Pressure   show
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Confined   show
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Decrease   show
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show Hydraulics uses _______________ to transmit power.  
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show Automobile brake systems use ______________________.  
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Power Input Device   show
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show ____________________ are valves that control direction, pressure, and flow rate of the pressurized oil in the hydraulic system.  
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show Hydraulic power is converted back into mechanical power at the ______________________.  
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show __________________ transmit the liquid in a hydraulic system.  
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Mineral Oil   show
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show What does D.C.V stand for?  
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show  
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show Pressure is a measure of _________________ intensity.  
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show The units of pressure measurement used in the S.I. system are _________________.  
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Actuator   show
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Cylinders   show
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show Actuators that produce rotary motion are called ______________________.  
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show The actuator converts hydraulic energy into _______________________ energy.  
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show To increase the pressure setting of a relief valve, turn the adjustment knob _________________.  
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show Power units are normally stopped and started with the relief valve set at the _________________ pressure.  
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Temperature   show
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Filter   show
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Springs   show
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show Action  
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show A(n) __________________________ fitting is used whenever there is a need to frequently disconnect circuits.  
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Bourdon Tube   show
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Tee   show
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Cross   show
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show A 3/4 DCV refers to the number of ______________ and ___________.  
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Hydraulics   show
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Fluid injection injury   show
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show Contains the pump that provides fluid flow through the system  
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Control devices   show
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show Component that does work in a fluid power system  
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Liquid level gauge   show
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show A filter that oil flows through before it goes into the pump  
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High viscosity   show
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Schematic diagrams   show
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show Pinhole leaks in a pressurized line can penetrate leather gloves  
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show Fluid injection injury requires immediate medical attention.  
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show Measures system pressures  
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show Part of a cylinder the oil exerts its pressure on  
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show Allow easy disconnecting and connecting of hydraulic lines  
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Hydraulic motor   show
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show General displacement of hydraulic motors  
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True   show
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Needle valve   show
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Vaporous cavitation   show
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show Electric motor or gasoline engine that turns the pump  
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show Where oil is added to the reservoir  
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show Prime mover, pump, and reservoir  
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show Allows flow in only one direction  
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A and B   show
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Pressure relief valve   show
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Flow Meter   show
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Temperature   show
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show Pump that contains two gears that turn in the opposite direction  
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show 3 position DCV is held in the middle position by a  
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show Fluid power system that is used when rigidity is required  
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Force   show
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Square footage   show
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show Length times width times height equals  
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show Resistance of a hydraulic system to fluid flow causes  
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compression   show
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4/3 DCV   show
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Directional Control Valve   show
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International Standards Organization   show
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show NFPA  
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American Society of Mechanical Engineers   show
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show SI Unit for Force  
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Pascal   show
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Pound   show
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PSI   show
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Pounds per square inch   show
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show Atmospheric Pressure  
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Pounds per square inch gauge   show
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show PSIA  
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Cylinder and motor   show
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show Pressure below zero on a pressure gauge  
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