Mechanical Operations Rittinger's crushing law states that For a given machine and feed, crushing efficiency is dependent on the size of the feed & product Work required to form a particle of any size is proportional to the square of the surface to volume ratio of the product Work required to form a particle of a particular size is proportional to the square root of the surface to volume ratio of the product Work required in crushing is proportional to the new surface created For a given machine and feed, crushing efficiency is dependent on the size of the feed & product Work required to form a particle of any size is proportional to the square of the surface to volume ratio of the product Work required to form a particle of a particular size is proportional to the square root of the surface to volume ratio of the product Work required in crushing is proportional to the new surface created ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is the most suitable for handling fibrous and dense slurries? Cone type agitator Turbine agitator Radial propeller agitator Propeller agitator Cone type agitator Turbine agitator Radial propeller agitator Propeller agitator ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mixing of plastic solids is generally facilitated by Kneading None of these Mastication Dispersion Kneading None of these Mastication Dispersion ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Balls for ball mills are never made of Alloy steel Forged/cast steel Cast iron Lead Alloy steel Forged/cast steel Cast iron Lead ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For grinding of cereals, grains, spices, pigments, saw dust, cork etc., the most extensively used size reduction equipment is a Crushing rolls Hammer mill Ball mill Buhrstone mill Crushing rolls Hammer mill Ball mill Buhrstone mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of the __________ can be suitably done by ball mills, crushing rolls and rod mills. Metalliferrous ores Non-metallic ores Basic slags Asbestos & mica Metalliferrous ores Non-metallic ores Basic slags Asbestos & mica ANSWER DOWNLOAD EXAMIANS APP
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