hydraulics ATMC example - AVI OnDemand

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08_Hydraulic Systems

What is the primary purpose of a hydraulic system?*
- Generate heat
- Transfer force using a fluid
- Produce electrical power
- Clean mechanical components
Which hydraulic fluid property prevents wear on system components?*
- Lubrication
- Volatility
- Compressibility
- Reactivity
What does Pascal's Law state about fluids?*
- Fluids increase in pressure when heated
- Pressure in a confined fluid acts equally in all directions
- Fluids have no mass
- Fluids lose energy during transmission
Which type of hydraulic pump is most often used in heavy-duty trucks?*
- Diaphragm pump
- Rotary vane pump
- Gear pump
- Submersible pump
What component controls the direction of fluid in a hydraulic system?*
- Actuator
- Relief valve
- Directional control valve
- Cylinder
What is the main function of hydraulic fluid?*
- To generate pressure
- To lubricate moving parts and transfer energy
- To create electrical energy
- To maintain temperature
What happens if air enters a hydraulic system?*
- Increased efficiency
- Reduced system performance
- No effect
- Automatic bleeding
What is the purpose of a hydraulic reservoir?*
- Increase pressure
- Store hydraulic fluid
- Act as a pump
- Filter contaminants
What is the role of the hydraulic cylinder in a truck or tractor?*
- To regulate temperature
- To convert hydraulic energy into mechanical motion
- To control fluid flow
- To cool the system
What is the purpose of a hydraulic relief valve?*
- Reduce fluid flow
- Maintain system efficiency
- Prevent over-pressurization
- Convert mechanical force
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