Which of the following is a process/method to enhance the amount of pure distillate?

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When the mass balance in a distillation column is F = B + D, how can D that is the distillate be increased?

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Statement 1: Multi-stage cross-current extraction – the solids contain some amount of solute after every extraction. Statement 2: Single-stage batch extractor – Used in labs and not on large scale as a solvent is continuously subjected to heat.

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Statement 1: In counter-current extraction, equilibrium is reached at every stage. Statement 2: Right angled triangle method also called a difference point method is used to calculate the ideal number of stages for extraction.

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Statement 1: Smaller particles dissolve as they have a larger surface area and larger particles grow. Statement 2: The above process is called Ostwald ripening.

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This method is used in food processing for removal of bad odours from food.

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Cellulose was added in the pulping of certain fruit juices. What is it called? Was the decision of it being added in this process of filtration correct?

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Which of the following statements is correct with respect to gas absorption?

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Which of the following needs to be taken care of during scale up of crystallizers?

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Which of the following is a major constraint of SCFE?

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The feed line tells us that a particular feed A is at a sub-cooled liquid. Which of the following explains the above statement?

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Which of the following factors is a genuine criterion for the selection of a filter press?

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The ratio of concentration of a super saturated solution to a saturated solution is denoted by α’ which is stated by the Kelvin equation. How is it related to the crystal size and interfacial tension between solid and liquid?

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Statement 1: Rectification involves the liquid and vapors to pass a cascade of stages. Statement 2: In rectification, both heat and mass transfer takes place till equilibrium is reached.

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

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Statement 1: Vapour-liquid-Equilibria is related to by a simple expression of Raoult’s law. Statement 2: Raoult’s law is applicable to real gases.

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In re-fluxing, the re-flux ratio needs to a minimum.

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Statement 1: T-joints in pipelines for crystallization should be avoided as much as possible. Statement 2: Thin liquids should have a slope to drain off liquid.

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Heating on the surface of a heat exchanger leads to fouling.

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After extraction via solvent extraction, the cake serves to be a good source of _____

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Which of the following is the cheapest filtration equipment?

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Which of the following operations is carried out by extraction equipment?

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Which of the following is true about scraped surface crystallizers?

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Out of the limited applications of distillation in the food industry, which of the following is an application?

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Which of the following is the real extraction application of SCFE?

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Which of the following is true about an agitator vessel?

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Which of the following is NOT an important criteria for crystal formation?

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