False air refers to the unintended intake of air into a system, typically in combustion processes, where it can disrupt optimal fuel-to-air ratios. This can occur due to leaks in ducts, flues, or other components, leading to inefficiencies, incomplete combustion, and increased emissions. In industrial settings, managing false air is crucial for maintaining performance and minimizing environmental impact. Detecting and sealing these leaks can improve energy efficiency and reduce operational costs.
true
true
False, a projectile is simply something that flies through the air irrespective of its shape. A football is a projectile. footballs are pointed though. Think: NERF bullets.
True. Air is classified as a fluid because it can flow and take the shape of its container, similar to liquids. Fluids are characterized by their ability to move and deform, and air exhibits these properties as a gas.
FALSE
false
false
false
False
False
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false
False. Liquid water in air forms a mixture, not a solution. A solution is a homogeneous mixture where one substance dissolves completely in another. In the case of water in air, the water droplets are dispersed throughout the air, but they do not dissolve in it.
It's a high-pressure zone with rising air. true or false
true
False acid shock is a sudden change in the acidity of a stream or lake.
False. this is called humidity. Condensation is when water vapor condenses into liquid water.