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2003 Course Plant Engineering

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Total No. of Questions :12] P1168 [Total No. of Pages : 3 [3864] - 441 B.E. (Biotechnology) Final Year PLANT ENGINEERING (2003 Course) (Sem. - II) (419289) Time : 3 Hours] [Max. Marks : 100 Instructions to the candidates: 1) Figures to the right indicate full marks. 2) Use of Programmable calculator is not allowed. 3) Draw a neat sketch wherever necessary. 4) Make necessary assumptions wherever required. 5) Answer any Three Questions from section I and any Three Questions from Section II. SECTION - I Q1) a) b) Explain the procedure for drawing process flow diagram. Discuss scale up factors for following equipments. i) [10] Nozzle discharge centrifuges. ii) [8] Packed columns. OR Q2) Draw neat labeled process flow diagram for the following process. Separation of n-butanol-water is carried out in two steps. The process starts by charging the original mixture to a decanter which operates at temperature below the boiling point. The butanol-rich phase from decanter is fed to a stripping column which produces high purity alcohol as bottom product and an overhead vapour which approaches the azeotropic composition. The aqueous phase is fed to the second stripper which produces butanol free water as bottom product. Since water is the product open stream can be used to provide reboil vapour. The aqueous column also produces a top vapour which approaches the azeotropic composition. Both overhead vapour streams are condensed in common condenser and then fed to the decanter alongwith fresh feed. [18] P.T.O. Q3) Write short note on following: [16] a) Thermodynamic feasibility. b) Process feasibility. c) Kinetic feasibility. OR Q4) a) b) Q5) a) Explain various factors affecting site location. [8] Describe the factors considered for feasibility survey. [8] State the service fluid code for piping as per IS 9446-1980 for following [8] utilities. i) Condensate iv) b) Effluent ii) Drain Brine supply v) iii) Electricity Draw symbols for following used in engineering line diagram. i) Flow indicator ii) Level indicator iii) Flow recorder iv) [8] Pneumatic lines OR Q6) a) b) Draw utility block diagram for the batch reactor excluding process lines. [8] Draw utility line diagram for tray dryer without process lines. [8] SECTION - II Q7) a) b) Q8) a) b) Write short note on: [8] i) Single rod hanger ii) Roller support Discuss color codes used for transportation of flammable gases and process fluids. [8] OR Write short note on: [8] i) Pipe routing ii) Pipe expansion and contraction Explain water hammer design of gas pipelines. [8] [3864]-441 2 Q9) a) b) Q10)a) b) Q11)a) b) Q12)a) b) Explain the construction and working double acting reciprocating pump. [8] Describe performance curve of centrifugal pumps. [10] OR Explain rotine and preventive maintaince of chemical plant during shutdown. [10] [8] Describe the working of vacuum pump and blower. Write short on: [8] i) CPM technique. ii) PERT technique. Explain the safety regulations and safety index to be followed for design [8] of chemical plant. OR Explain the steps for PERT planning technique. [8] A small engineering project consists of 6 activities namely A,B,C,D,E,F with duration of 4,6,5,4,3 and 3 days respectively. Draw network diagram and mark the critical path. [8] jjj [3864]-441 3

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