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Mechanical Operations MCQs | Page - 4
Dear candidates you will find MCQ questions of Mechanical Operations here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
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Q. 31) A centrifugal filtration unit operating at a rotational speed of w has inner surface of the liquid (density ρL) located at a radial distance R from the axis of rotation. The thickness of the liquid film is δ and no cake is formed. The initial pressure drop during filtration is
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Q. 33) A cottrell precipitator makes use of the _________ for dusty air cleaning.
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Q. 35) A fluid energy mill is used for
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Q. 38) A sand mixture was screened through a standard 10-mesh screen. The mass fraction of the oversize material in feed, overflow and underflow were found to be 0.38, 0.79 and 0.22 respectively. The screen effectiveness based on the oversize is
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Q. 39) A screen is said to be blinded, when the
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Q. 40) A straight line is obtained on plotting reciprocal of filtration rate vs. the volume of filtrate for _________ flow of filtrate.
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