Question: (4 Mark) a) Which part is not common in all the stages of a multistage centrifugals pump? The total head developed in a multistage pump

(4 Mark) a) Which part is not common in all the

(4 Mark) a) Which part is not common in all the stages of a multistage centrifugals pump? The total head developed in a multistage pump is less than or greater than the head developed in the individual stage. Justify. (4 Mark) b) An aqueous solution of a high molecular weight solute is concentrated from 2% to 30% at a rate of 200m3/ day. The feed temperature is 27C, and the concentrated product leaves at its boiling point. One process is used that requires supply of heat and can be operated at 1 atmosphere pressure, or at a vacuum of 650mmHg. What process is described? Name different types of the equipment that can be used to perform the operation categorized based on feed. ( 2 Mark) c) A mixture containing 60g water and 40g ethylaniline, which can be assumed to be essentially insoluble, is boiled at standard atmospheric pressure. Describe the process that can be used to separate the mixiure

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