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4. 1000kgh1 of a precipitated chalk slurry containing 8%CaCO3 by mass are to be filtered and dried continuously. After filtration the cake contains 1kg of water per kg of chalk. Hot air enters the adiabatic drier at 1.013 bar at 800 the air is saturated (i.e. 0.0288kg water per kg. i.e. 0.007334kg water per kg of dry air). At the oxit the airet basis. Calculate using a properly labelled on dry air) and the dried chalk leaving contains 5% water (a) The flow rate of product chalk leai (b) The flow rate product chalk leaving the drier (kgh1) (c) The flow rate of dry air entering the drier (kgh1)