Mechanical Operations Mcqs for Chemical


Q.  Separation of materials of the same density based on their sizes by using then-different rates of flow is called__________________?

a. Sorting
b. Sizing
c. Flocculation
d. Elutriation


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MCQs:  Length/diameter ratio of a ball mill is __________________ ?
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MCQs:  Shell and leaf filter as compared to plate and frame filter _____________________?
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MCQs:  A propeller agitator_______________?
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MCQs:  Which one is a filter aid ?
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MCQs:  Crushing efficiency is the ratio of the ______________________ ?
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MCQs:  Screen capacity is expressed in terms of____________________?
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MCQs:  General mechanism of size reduction in intermediate and fine grinder is by __________________?
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MCQs:  In a size reduction crushing operation, feed size is 100 to 300 mm. while the product size is 10 to 50 mm. This is a case of the _____________ crushing?
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MCQs:  Percentage of drum submerged in the slurry in case of rotary drum filter is ________________?
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MCQs:  Where the density difference of the two liquid phase to be separated is very small (as in milk cream separator), the most suitable separator is a____________________?
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MCQs:  The optimum moisture content in solids to be crushed/ground ranges from _______________ percent?
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MCQs:  Critical Speed (Nc) of a ball mill is given by (where R1 and R2 are radii of ball mill and the ball respectively) ?
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MCQs:  Ribbon blenders are exclusively meant for __________________?
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MCQs:  Which of the following size reduction equipments employs mainly attrition for ultrafine grinding ?
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MCQs:  During agitation of liquids, the_________________?
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MCQs:  The important dimensional group involved in the power requirement calculation in mixing operation is the _____________ number?
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MCQs:  Filtration operation carried out by continuous increase of the inlet pressure of slurry, is called the _____________ filtration?
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MCQs:  Chance process is used for the________________?
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MCQs:  The most suitable equipment for removing the fine dust particle (< 1 micron dia.) from air below its dew point will be a/an______________?
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MCQs:  Removal of activated carbon from glycerine is done by _________________?
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