QUESTIONIAVI: (a) (i) differentiate between Process Flow Diagram (PFD) and a Piping and lastrumentation Diagram / Drawing (P\&ID) (ii) State the areas of Application of P'\&ID (b) An aqueous solution of sodium hydroxide contains 20% NaCl1 by mass. 11 is desired to produce wn 8%NaOH solution by diluting a stream of the 20% solution with a strenm of pure water. (ii) 1) (termine the feed rates of 20% solution and diluting water theded w prodice 2310 thitmin of the 8 so solution. QUESTIONSIX (a) List iw, (2) examples each of overheads and Utilities in Chemicul Processing Cost. (b) (i) What are the factors of paramount concern to process engineer when trying 10 evaluate a process for design purpose? (ii) I ist examples of operations that are involved in Mass I ranslen process Phenomenon. QURSTIONSEVLN (a) Or what importance is the understanding of Process Evaluation tu a prochss designer? (b) The reactions C2H6C2H4+H2C3H6+H22CH4 takc pluce in a continuous reactor at steady state. The feed combins 85.0 mole\% chane (C2/l0: and the balance inerts (1). The fracional conversion of elhane is 0.501 , and the finctional yield of ethy!ene is 0.471 . Calculate the molar composition of the product gas and the selectivity of ethylene to methane production