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Air temperature 23 °C; relative humidity 50%; concrete temperature 30 degC; wind speed 20 km/h
(i) Draw in the following figure and determine rate of water evaporation. Please upload your drawings below.
(ii) The maximum evaporation rate is 1.0 kg/m2/h. What is the maximum wind speed allowed if the other parameters remain unchanged?
(ii) The maximum evaporation rate is 1.0 kg/m2/h. What is the concrete temperature allowed if the other parameters remain unchanged?
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