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2003 Course Plant Eng.

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Total No. of Questions : 12] [Total No. of Pages : 3 P1389 [3764] - 461 B.E. (Biotechnology) PLANT ENGINEERING (Sem. - II) (2003 Course) (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 anyThree Questions from Section I and any Three Questions from SectionII SECTION - I Q1) a) b) Q2) a) b) Q3) a) b) Explain the various aspects of chemical engineering plant design. [6] Discuss scale up factors for following equipments. [10] i) Batch reactors. ii) Shell and tube heat exchanges. OR Draw following symbols used in process flow diagram. [10] i) Rotary drum. ii) Vacuum crystallizer. iii) Magnetic separator. iv) Autoclave. v) Plate & Frame filter press. Explain the factors to be considered for scale up of agitated batch crystallizers. [6] Explain optimum operation design for flow system to the absorption column. [8] Discuss various types of project design for any pharmaceutical industry. [8] OR P.T.O. Q4) a) b) Q5) a) b) Q6) a) b) Explain various factors to be considered while selecting plant site for any chemical plant. [10] Discuss procedure for preparing plant layout. [6] State the service fluid code for piping as per IS 9446-1980 for following utilities. [10] i) Plant air. ii) Process water. iii) Raw water. iv) Electricity. v) Low pressure condensate. vi) Steam. vii) Demineralised water. viii) Fuel oil flow. ix) Hot water supply. x) Fuel gas. Draw utility line diagram for batch reactor. [8] OR For the process of azeotropic distillation for production of absolute alcohol requires steam as utility. Draw utility block diagram for the process. [10] Draw utility line diagram for tray dryer without process lines. [8] SECTION - II Q7) a) b) Q8) a) b) Q9) a) b) Explain various types of supports used for piping in chemical plants.[8] Discuss color codes used for transportation of fluids in plants. [8] OR State different types of thermal insulations for heating and cooling used in piping design. [8] Explain water hammer design of gas pipelines. [8] Explain the construction and working of volute pumps. Describe characteristic curves of centrifugal pumps. [8] [10] OR Q10)a) b) [3764]-461 Explain working of steam jet ejectors. [8] Define NPSH. Why NPSH calculations are necessary for design of pumps? Describe the working of double acting reciprocating pump. [10] 2 Q11)a) b) Explain the HAZOP study. How HAZOP study is useful for controlling the process parameters. [8] Explain the safety regulations and safety index to be followed for design of chemical plant. [8] OR Q12)a) b) Differentiate between CPM and PERT techniques in detail. [8] It is required to fabricate tanks for electroplating shop. The activities [8] involved are: i) Order material for the tanks. ii) Await delivery of material. iii) Collect tooling equipment for tank fabrication. iv) Fabricate the tanks. v) Test the tanks against leakage. vi) Obtain rubber lining from market. vii) Fix lining inside the tank. viii) Paint the tank from outside. Using these activities, construct arrow diagram and explain CPM planning schedule and control technique. EEE [3764]-461 3

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