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Which of the following does not provide sensible heat gain? {Ans: Heat from, cooking or hot baths. (Latent heat has to do with moisture).}Total system air pressure is measured? {Ans: at the blower inlet, at the blower outlet.}Heat gained as a gas is compressed mechanically is known as? {Ans: heat of compression.}Pre-rotation-vanes are used to control? . {Ans: capacity}The effective temperature takes into consideration? {Ans: Temperature, air movement, moisture content.}The primary purpose of water treatment in an open recirculating system is to? {Ans: prevent corrosion, prevent scale formation, eliminate organic growth.}