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80350 b. A drier absolute pressure in the tark in peia? (2) Mans: 2 Marka] a. Two-pound mole of CH4 is flowing through the heat exchanger. How many kilograms is this per second? b. A drier takes in wet timber (25%) water and reduces the water content to 8.6%. You want to determine the kg of water removed per kg of timber that enters the process. [2 Marks] c. A solution of sulfuric acid at 60F is found to have a specific gravity of 1.22. If this is equivalent to 30% H H2SO4. What is the concentration of H2SO4 in lb/mol [2 Marks] d. The pressure gauge on a tank of CO2 used to fill soda water bottles reads 52 psi. At the same time the barometer reads 29 inch Hg . What is the absolute pressure in the tank in psia?. [2 Marks] e. A multistage evaporator concentrates a weak NaOH solution from 3% to 19% and processes 1 tons of solution per day. How much product is made per day? How much water is evaporated per day? [2 Marks] f. Iron metal weighing 500lb occupies a volume of 29.25ft3. Calculate the density of Fe in g/cm3 [2 Marks]