Mechanical Operations Power consumption during turbulent flow in agitation tank is proportional to the __________ of the liquid. Surface tension Thermal conductivity Density Viscosity Surface tension Thermal conductivity Density Viscosity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Wet grinding in a revolving mill __________ as compared to dry grinding. Complicates handling of the product Requires more energy Gives less wear on chamber walls Increases capacity Complicates handling of the product Requires more energy Gives less wear on chamber walls Increases capacity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Gummy & sticky materials like molasses, sugar etc. are best transported/handled by using a __________ conveyor. Slat Ribbon Screw Drag Slat Ribbon Screw Drag ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations As particle size is reduced Screening becomes progressively more difficult Screening becomes progressively easier None of these Capacity and effectiveness of the screen is increased Screening becomes progressively more difficult Screening becomes progressively easier None of these Capacity and effectiveness of the screen is increased ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations 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 ½w² . δρL (2R + δ) ½w² . R² . ρL ½w² . δ² . ρL ½w² . R . ρL(R + 2δ) ½w² . δρL (2R + δ) ½w² . R² . ρL ½w² . δ² . ρL ½w² . R . ρL(R + 2δ) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mass flow of granular solid (M) through a circular opening of dia, D follows M ∝ D M ∝ D³ M ∝ √D M ∝ D² M ∝ D M ∝ D³ M ∝ √D M ∝ D² ANSWER DOWNLOAD EXAMIANS APP
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