9 Questions
What is the SI unit of pressure?
Pascal
In a hydraulic system, what does a pressure gauge measure?
The amount of resistance in the system
What is the primary gas used in a pneumatic system?
Air
What does Pascal's Law state about pressure in a confined incompressible fluid?
Pressure is transmitted equally in all directions throughout the fluid
What does a pump deliver in a hydraulic system?
Rate of flow
What does a relief valve do in a hydraulic system?
Opens when pressure exceeds a set value
What does a flow control valve do in a hydraulic system?
Regulates the rate of fluid flow
What does a check valve do in a hydraulic system?
Allows fluid to flow in one direction and prevents backflow
What does a pilot line represent in a hydraulic schematic?
Used to control other valves or components
Study Notes
Hydraulic and Pneumatic Systems
- The SI unit of pressure is the Pascal (Pa).
- A pressure gauge measures the pressure in a hydraulic system.
- The primary gas used in a pneumatic system is air.
- Pascal's Law states that the pressure in a confined incompressible fluid is transmitted equally in all directions.
- A pump delivers fluid pressure in a hydraulic system.
- A relief valve prevents excess pressure in a hydraulic system by releasing excess fluid.
- A flow control valve regulates the flow rate of fluid in a hydraulic system.
- A check valve allows fluid to flow in one direction and prevents backflow in a hydraulic system.
- A pilot line represents a small, separate line that controls or operates a valve or other component in a hydraulic system.
Test your knowledge of hydraulics with this quiz on Pascal's Law, the SI unit of pressure, and the relationship between pressure, force, and area in hydraulic systems. See how well you understand the fundamental principles of hydraulics.
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