Mechanical Operations Which of the following crushing laws is most accurately applicable to the fine grinding of materials ? Kick's law Bond's crushing law None of these Rittinger's law Kick's law Bond's crushing law None of these Rittinger's law ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mechanical conveyors which push the material along an endless trough or tube are called scrappers. Which of the following conveying equipments comes under the category of 'scrappers'? Both B and C Screw conveyor Flight conveyor Bucket conveyor Both B and C Screw conveyor Flight conveyor Bucket conveyor ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ mills fall in the category of tumbling mills, Rod and tube Compartment All of these Ball and pebble Rod and tube Compartment All of these Ball and pebble 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 __________ balls capable of grinding the feed in a ball mill gives the maximum efficiency. Elliptical Maximum size Minimum size Cast iron Elliptical Maximum size Minimum size Cast iron ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most suitable equipment for removing the fine dust particle (< 1 micron dia.) from air below its dew point will be a/an Electrostatic precipitator Wet scrubber Bag filter Cyclone separator Electrostatic precipitator Wet scrubber Bag filter Cyclone separator ANSWER DOWNLOAD EXAMIANS APP
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