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Questions and Answers
What is the primary function of an actuator?
Which energy source does a hydraulic actuator primarily use?
What happens when hydraulic oil is pumped to the bottom side of the piston in a hydraulic actuator?
What is typically attached to the piston in a hydraulic piston actuator?
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Which of the following is NOT a type of actuator mentioned?
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What role does the piston play in a hydraulic piston actuator?
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Which of the following best describes how a hydraulic piston actuator operates?
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What happens to the valve when hydraulic oil is pumped to the top of the piston?
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What type of motion can hydraulic actuators both introduce and prevent?
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What is typically used as the pressurized liquid in a hydraulic actuator?
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In a hydraulic actuator, what is the primary force that moves the valve stem?
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Which of the following is NOT a characteristic of an actuator?
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In a hydraulic piston actuator, what is the direct effect of pumping hydraulic oil to the bottom side of the piston?
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What is the purpose of the cylinder assembly in a hydraulic valve actuator?
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Which of the following statements BEST describes the primary function of a hydraulic piston actuator?
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What mechanism does a hydraulic piston actuator use to control a valve stem?
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When hydraulic oil is pumped to the bottom side of the piston in a hydraulic actuator, what is the resulting action?
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What happens when a hydraulic valve actuator's piston moves up and down?
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Which statement accurately describes the operation of a hydraulic actuator?
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What role does hydraulic oil play in a hydraulic piston actuator?
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Study Notes
Actuator Principles
- An actuator is a motor that converts energy into torque, controlling or moving a mechanism or system it's incorporated into.
- Actuators can introduce motion as well as prevent it.
- Actuators typically run on electric or pressure (hydraulic or pneumatic) energy.
Hydraulic Piston Actuator Principles
- A hydraulic actuator uses pressurized liquid (usually oil) to position the valve stem.
- A hydraulic valve actuator consists of a cylinder assembly attached to a valve.
- Inside the cylinder, a piston moves up and down, attached to the valve stem.
- When hydraulic oil is pumped to the top of the piston, the valve closes.
- When hydraulic oil is pumped to the bottom side of the piston, the valve opens.
Actuator Principles
- An actuator is a motor that converts energy into torque, controlling or moving a mechanism or system it's incorporated into.
- Actuators can introduce motion as well as prevent it.
- Actuators typically run on electric or pressure (hydraulic or pneumatic) energy.
Hydraulic Piston Actuator Principles
- A hydraulic actuator uses pressurized liquid (usually oil) to position the valve stem.
- A hydraulic valve actuator consists of a cylinder assembly attached to a valve.
- Inside the cylinder, a piston moves up and down, attached to the valve stem.
- When hydraulic oil is pumped to the top of the piston, the valve closes.
- When hydraulic oil is pumped to the bottom side of the piston, the valve opens.
Actuator Principles
- An actuator is a motor that converts energy into torque, controlling or moving a mechanism or system it's incorporated into.
- Actuators can introduce motion as well as prevent it.
- Actuators typically run on electric or pressure (hydraulic or pneumatic) energy.
Hydraulic Piston Actuator Principles
- A hydraulic actuator uses pressurized liquid (usually oil) to position the valve stem.
- A hydraulic valve actuator consists of a cylinder assembly attached to a valve.
- Inside the cylinder, a piston moves up and down, attached to the valve stem.
- When hydraulic oil is pumped to the top of the piston, the valve closes.
- When hydraulic oil is pumped to the bottom side of the piston, the valve opens.
Actuator Principles
- An actuator is a motor that converts energy into torque, controlling or moving a mechanism or system it's incorporated into.
- Actuators can introduce motion as well as prevent it.
- Actuators typically run on electric or pressure (hydraulic or pneumatic) energy.
Hydraulic Piston Actuator Principles
- A hydraulic actuator uses pressurized liquid (usually oil) to position the valve stem.
- A hydraulic valve actuator consists of a cylinder assembly attached to a valve.
- Inside the cylinder, a piston moves up and down, attached to the valve stem.
- When hydraulic oil is pumped to the top of the piston, the valve closes.
- When hydraulic oil is pumped to the bottom side of the piston, the valve opens.
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Description
Learn about the principles of piston actuators, including how they work and their applications in hydraulic and pneumatic systems.
