Statement 1: Scraping improves heat transfer co-efficient by 5 times in case of non-Newtonian fluids. Statement 2: In food industry, major physical changes to food items when they’re processed, take place like transformation from Newtonian to Non-Newtonian fluids. Hence, scraped surface heat exchangers are very beneficial.

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asked Jan 30, 2022 in Food Engineering by Amelia (93.8k points)

Statement 1: Scraping improves heat transfer co-efficient by 5 times in case of non-Newtonian fluids.

Statement 2: In food industry, major physical changes to food items when they’re processed, take place like transformation from Newtonian to Non-Newtonian fluids. Hence, scraped surface heat exchangers are very beneficial.

(a) True, False

(b) True, True

(c) False, False

(d) False, True

I have been asked this question by my school teacher while I was bunking the class.

I need to ask this question from Unit Operations in chapter Heat Transfer Equipment, Microwave Heating, Evaporation, Diffusion and Mass Transfer and Dehydration of Food Engineering

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