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

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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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If extraction is done at the _____ of the solvent, it is called _____

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Statement 1: Presence of certain organic solvents in solvent extraction can prove to be carcinogenic. Statement 2: CO2 gas can be used in super critical fluid extraction.

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Multi-stage counter-current extraction is expensive as more extractors are needed to strip the solid off the solvent.

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Statement 1: Soya bean has a high oil content. Statement 2: If the oil content is high, extraction is done by solvent extraction alone.

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_____ is an important solvent for wet and edible materials.

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Statement 1: Filter cake increases the efficiency of filtration. Statement 2: Filter aid is added to the filter cake when the filter cake is the desired product.

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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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In making of cocoa butter via crystallization, liquid is the desired product.

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Statement 1: Caffeine is the active principle in coffee. It cannot be stripped off it. Statement 2: Caffeine can be stripped off coffee by extraction.

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Statement 1: Partition coefficient pertains to solid-liquid extraction. Statement 2: Leaching involves both heat and mass transfer.

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Statement 1: Forced circulation liquid evaporator-crystallizer has good CSD control. Statement 2: Draft tube baffle crystallizer is flash evaporated for crystallization.

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What is extraction in paprika used for?

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

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Liquid-liquid extraction is called leaching.

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Which among the following factors does NOT affect extraction?

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

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Incrustation leads to _____

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Excess nucleation leads to _____

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Statement 1: Crystallization is both a mass and heat transfer operation. Statement 2: The crystals and mother liquor obtained from a crystallizer are called _____

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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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Advantage of Draft tube baffles crystallizer _____

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Work of Draft tube in Draft tube baffle crystallizer is _____

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Oil seed cakes are obtained by _____

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_____ gives the relationship between the concentration of gas entering stage n and concentration of liquid leaving stage n.

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