Bacics Flashcards
What is hydraulics, and how does it work?
Mechanics fuled by fluids
How does hydraulics transfer force, and what property of liquids does it rely on?
Hydraulics utilizes the incompressibility of liquids to transfer force.
What function do valves serve in hydraulic systems?
Valves prevent the fluid from flowing back into hydraulic systems.
How do hydraulics utilize force multiplication, and what principle supports this?
Hydraulics multiply force by transferring it from a small piston to a larger one using Pascal’s principle, where pressure spreads evenly in the fluid. This allows a smaller force to lift a heavier load, like in a car jack.
What is pneumatics, and how does it work?
Pneumatics uses compressed gas to do work. When pressure on the gas is released, it decompresses, causing rapid particle movement and creating a strong force.
What are common parts in hydraulic and pneumatic systems?
Pumps, hoses/tubes, cylinders, valves, compressors (pneumatics only).
Name the 3 similarities of hydraulics and pneumatics
Fluid Power Transmission
Pressure Generation
Control Systems
Applications
Efficiency
Name the 5 differences of hydraulics and pneumatics
- Hydraulics use pressurized liquids, while pneumatics use compressed gases.
- Hydraulics rely on liquid’s incompressibility, while pneumatics rely on gas’s compressibility.
- Hydraulics are preferred for tasks needing more force, as they generate more force than pneumatic systems.
- Pneumatics often have a delay due to air compression.
- Pneumatics are cheaper because they use free atmospheric air and cheaper components.
How do hydraulics utilize the properties of liquids to transfer force?
How do hydraulics leverage the characteristics of liquids to transmit force? Hydraulics rely on the incompressibility of liquids. When force is applied to a liquid, instead of being compressed, the force is transmitted through the fluid. This enables large amounts of pressure to be transferred through a liquid in a hydraulic system.
How do pneumatics utilize the properties of gases to transfer pressure?
Pneumatics work by compressing gas, which builds up pressure, and then releasing the pressure when the force is removed.
In what scenarios are hydraulic and pneumatic systems typically used?
When are hydraulic and pneumatic systems commonly employed? Hydraulic systems are typically used when substantial force is required and minimal delay is essential. In contrast, pneumatic systems are usually utilized when less force is needed.
What are some examples of hydraulic systems?
Can you provide examples of hydraulic systems? Some examples include car brakes, elevators, hydraulic jacks, and stamping machines.
What are some instances of pneumatic systems?
Can you give examples of pneumatic systems? Sure, some examples include bike pumps, bus doors, jackhammers, and air brakes used by buses.
What are the fundamental components of a hydraulic system?
What are the main parts of a hydraulic system? The three basic components are the pump, the tubing or piping, and the liquid itself.
How is the human circulatory system comparable to a hydraulic system?
Our circulatory system works like a hydraulic system. Our heart pumps blood (like a pump), our veins and arteries carry it (like tubing), and the blood itself is the liquid being moved. The valves in our heart act like hydraulic valves, making sure blood flows in the right direction.
