Food Plant Design Sanitation — DU B.Sc. (Hons.) Food Technology Previous Year Question Papers

2. Attempt total four questions. 5. Part of the questions to be attempted together. Answer briefly, (any five) : (i) Product Layout (ii) Aerated Storage (iii) Detergents (iv) Cleaning in Place (CIP) (v) Pest Control (a) Explain tlie role of cold chain management in the marketing of perishable f,\^J,` -... I____ _ ,. foods in domestic and international market`s. (b) Discuss the engirieering design of dehydrator equipment used in food processing operations. (7) 3. Differentiate between the following : (any three) (b) (c) (d) Physical and Biological methods of waste water treatme`nt Batch centrifugation and continuous centrifugation \ Safe food storage in coolers and freezers (a)Wastewatersamplehasinitialdissolvedoxygen=8.5mg/LDOafter5days it becomes 2.5 mg/L. Calculate the BOD of the wastewater. (b)Arefrigeratedtrucktransportsfoodat-2°Cwihileambienttemperatureis 32°C. Calculate the temperature difference across insulation and explain how this affects heat gain and refrigeration load. (5) \ (c) Discuss the design principles of warehouse storage systems including : (i) Palletization (ii) Stacking height (iii) Aisle spacing 5. Write short notes (any three) : (a) Refrigerated transportation of foods (b) Safe food storage in retail outlets (c) Design of Heat exchangers (d) Activated sludge process