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Noun (National open university) Live 2019 POP Exam questions
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[QUOTE="Bracet, post: 3959, member: 477"] [IMG]file:///C:%5CUsers%5Cuser%5CAppData%5CLocal%5CTemp%5Cmsohtmlclip1%5C01%5Cclip_image001.jpg[/IMG] [B]NATIONAL OPEN UNIVERSITY OF NIGERIA[/B] [B]UNIVERSITY VILLAGE, PLOT 91 CADASTRAL ZONE, NNAMDI AZIKIWE EXPRESS WAY, JABI - ABUJA.[/B] [B]FACULTY OF SCIENCES[/B] [B]DEPARTMENT OF PURE AND APPLIED SCIENCE[/B] [B]APRIL/MAY, 2019EXAMINATIONS[/B] [B]COURSE CODE: CHM 316[/B] [B]COURSE TITLE: [/B][B]INDUSTRIAL CHEMICAL TECHNOLOGY I[/B] [B]CREDIT UNIT: 2[/B] [B]TIME: 2 Hours[/B] [B]INSTRUCTION: Answer question one (1) andany other three (3) questions.[/B] [B]QUESTIONONE[/B] 1a. What is heat transfer. Describe the fundamental methods of heat transfer?3 marks 1b. Describe mass transfer. 5 marks 1c. Explain the modes of mass transfer.12 marks 1d. What is unit process. 5 marks [B]QUESTION TWO[/B] 2a. State the Fourier’s law of heat conduction. 2 marks 2b. Mention six (6) examples of mass transfer.3 marks 2c. Describe diffusion flux.2 marks 2d. Describe briefly a reactor and enumerate types of reactors. 8 marks [B]QUESTION THREE[/B] 3a.Write briefly on physical and chemical processes with appropriate illustrations.7[SUP]1[/SUP]/[SUB]2 [/SUB]marks 3b. Explain in detail the term mixing and also the stages involved in mixing.7[SUP]1[/SUP]/[SUB]2 [/SUB]marks [B]QUESTION FOUR[/B] 4a. Explain the following separation processes: I Separation by flashing5[SUP]1[/SUP]/[SUB]2 [/SUB]marks ii. Distillation5[SUP]1[/SUP]/[SUB]2 [/SUB]marks 4b. Describe agitation.4 marks [B]QUESTION FIVE[/B] 5a. Explain Fick’s first law of diffusion 5 marks 5b. Mention three unit operations that employ heat transfer. 1½ marks 5bii) Using boiling of water in open air, explain mass transfer by change of phase. 2 marks 5c) Draw a flow chart of physical processes of salt manufacture. 2[SUP]1[/SUP]/[SUB]2[/SUB] marks 5d) Discuss briefly Gravitational separation: 4 marks [/QUOTE]
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