Question: Figure Q3(b) shows a typical duct network for an air conditioning system. Sketch the likely total pressure (total head) distribution along the ductwork at

Figure Q3(b) shows a typical duct network for an air conditioning system. Sketch the likely total pressure (total head) distribution along the ductwork at a certain flow rate. On the same sketch, sketch the total pressure (total head) distribution along the ductwork when the air flow rate is decreased by 20 %. (5 marks) Return Return air grill duct Heating coil Contraction Filter Fan Cooling coil Elbow Figure Q3(b) Supply air ducts Branch Diffusers

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