The air velocity in the duct of a heating system is to be measured by a pitot-static probe inserted into the duct parallel to the flow. if the differential height between the water columns connected to the two outlets of the probe is 2.4 cm, determine (a) the flow velocity and (b) the pressure rise at the tip of the probe. the air temperature and pressure in the duct are 45°c and 98 kpa, respectively.
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i am sorry i have no idea and answer for this number sry
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