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WorksheetsPOE Introduction to Fluid Power
Total questions: 32
Worksheet time: 25mins
Fluid power is...
the use of simple machines combined
the use of gas (only) to transport objects
the use of fluid to transmit power from one location to another
the use of liquid (only) to transport objects
The use of liquid flowing under pressure
to transmit power from one locating point to another
Hydraulics
Pneumatics
Mechanics
The use of gas flowing under pressure
to transmit power from one location to another
Hydraulics
Pneumatics
Mechanics
Advantages of Fluid Power
(Select all that apply)
One open source controls many operations
Easy and accurate control
Low Power, High Weight ratio
Constant force and torque
Basic Fluid Power Components: Reservoir stores (a)
Basic Fluid Power Components: Pipe, tube or hose that allows flow between components are examples of fluid (a) .
Basic Fluid Power Components: (a)
converts mechanical power to fluid power
Basic Fluid Power Components: (a) controls direction and amount of flow.
Basic Fluid Power Components: (a)
converts fluid power to mechanical power
Which of these is NOT an example of Fluid Power?
Hydraulic Press
Corckscrew
Animatronics
Hydraulic Jack
Ability to do work
Force
Energy
Power
Torque
Twisting force applied by a hydraulic or pneumatic motor
measured in foot-pounds
Work
Energy
Power
Torque
Force multiplied by distance measured in foot-pounds (ft-lb)
Work
Power
Energy
Heat
The rate of doing work
Force
Energy
Torque
Power
How much work is done by moving a 1,000 lb force 5 feet?
200 ft-lb
200 ft/lb
5,000 ft-lb
5,000 ft/lb
How many units of power are needed
to lift a 3,000 lb force object 5 feet, in 10 seconds?
1,000
units of power
15,000
units of power
1,500
units of power
10,000
units of power
Horsepower is a common unit for (a) .
Law of Conservation of Energy: Energy cannot be created or (a) , although it can change forms.
Energy NOT transferred to work takes the form of...
Force
Heat
Fluid
Gas
(a) makes the actuator operation possible.
Rate of flow determines actuator (a) .
Rate of flow is generated by a (a) .
Rate of flow is measured in (a) per minute (gpm).
The less volume to displace, the (a) the actuator.
(consider a constant flow rate)
The (a) volume to displace, the slower the actuator.
(consider a constant flow rate)
All points of resistance in series within a system contribute to (a)
system resistance, including long runs of pipe, elbows, etc.
Force applied over an area
Pressure
Power
Energy
Torque
Blaise (a) developed concepts about pressure in the 1640's.
The SI unit for pressure:
torr
atm
bar
pascal
Pascal's Law: Pressure applied on a confined fluid at rest ins transmitted undiminished in all directions and acts with _____ force on _____ areas
and at right angles to them.
(a)
Line drawing made up of a series of symbols and connections that represent actual components in a hydraulic system.
(a)
Why are symbols important for Fluid Power schematics?
(Select all that apply)
Critical for technical communication
Emphasize function and methods of operation
Inform units that are being used
Not Language-dependent
