Q. In second stage, greasy substances are recovered by

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Q. After scouring, residual grease must not be greater than

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Q. In second and third stage, chemical used is

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Q. Settling trughs have capacity which is

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Q. Efficiency of surface agent and sodium carbonate can be determined by checking

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Q. In pre scouring stage quantity of surfactants and alkali as compared to other vats is

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Q. First vat in scouring process is uses for

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Q. In past, greasy wool was scoured with

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Q. In pre scouring stage, efficiency depends on

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Q. Dirt can be removed with help of

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Q. In pre scouring stage, liquor temperature is

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Q. Correct quantity of surfactant to be used in scouring process is determined by

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Q. Temperature required for fast formation of small spheres of yolk is

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Q. Excessive temperature in pre scouring stage can lead to

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Q. Three scouring stages must be performed at a temperature that liquefies yolk allowing

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Q. In scouring process, extremely low temperature

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Q. Clarified product in second stage is used in

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Q. In fourth and fifth scouring stage, temperature is decreased to

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Q. At end of scouring vat there is squeezing press whose lower cylinder is made up of

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Q. Shape of bottom of first two vats in scouring is

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