Mechanical Operations In classification, particles are said to be equal settling, if they have the same terminal velocities in the Both B and C Different fluids Same fluid Same field of force Both B and C Different fluids Same fluid Same field of force ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Temperature of the product during ultrafine grinding Increases May increase or decrease ; depends on the material being ground Remains constant Decreases Increases May increase or decrease ; depends on the material being ground Remains constant Decreases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The ratio of the actual mesh dimension of Taylor series to that of the next smaller screen is 1.5 2 √3 √2 1.5 2 √3 √2 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Work index is the gross energy (kWh/tonne of feed) necessary to reduce a very large feed to such a size that 80% of product particles will pass through a 0.1 mm screen. The value of work index determined for wet grinding should be multiplied with __________ to get the same for dry grinding. 1.34 1 4.34 0.5 1.34 1 4.34 0.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During the washing of cake All the resistances are constant Filter medium resistance increases Filter medium resistance decreases Cake resistance decreases All the resistances are constant Filter medium resistance increases Filter medium resistance decreases Cake resistance decreases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vibrating screens are used for handling large tonnages of materials. The vibrating motion is imparted to the screening surface by means of Cams or eccentric shafts Electromagnets Unblanced fly wheels Either A, B or C Cams or eccentric shafts Electromagnets Unblanced fly wheels Either A, B or C ANSWER DOWNLOAD EXAMIANS APP
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