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“Vacuum” can be understood in two main ways:
- Enclosed Area with Reduced Air Pressure: In a general sense, a vacuum refers to an enclosed space where the air pressure is lower than that of the surrounding atmospheric pressure. This is commonly encountered in various applications, such as vacuum chambers used in scientific experiments, vacuum pumps in industrial processes, or even the vacuum cleaner in your home.
- Complete Absence of Pressure: In a more technical sense, a vacuum refers to a space where the pressure is zero pounds per square inch (psi). However, in everyday language and many technical contexts, “vacuum” is often used more broadly to describe any pressure lower than atmospheric pressure.
Understanding vacuum is crucial in various fields, including physics, engineering, and manufacturing, where it’s often utilized for tasks like removing air from systems, creating controlled environments, or testing the behavior of materials under low-pressure conditions.
See
- Air-valve carburetor
- Gauge Vacuum
- Manifold vacuum
- Ported vacuum advance
- Pulse vacuum hublock
- Separator Assembly-fuel Vacuum
- Venturi vacuum