Mechanical Operations Size reduction of moulding powders, waxes, resins & gums are done in a __________ mill. Hammer Neither A nor B Both A & B Cage Hammer Neither A nor B Both A & B Cage ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Additives used for promoting the floccula-tion of particles is a/an Surface active agent Electrolyte Neither A nor B Both A & B Surface active agent Electrolyte Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a ball mill, None of these Coarse feed requires a larger ball Operating speed should be more than the critical speed Fine feed requires a larger ball None of these Coarse feed requires a larger ball Operating speed should be more than the critical speed Fine feed requires a larger ball ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations With increase in the pressure drop across the cake, the specific cake resistance for the compressible sludge Increases Increases linearly Remains constant Decreases Increases Increases linearly Remains constant Decreases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a size reduction crushing operation, the feed size is 10 to 50 mm, while the product size is 2 to 10 mm. This is a case of __________ crushing. Secondary Fine Primary Ultrafine Secondary Fine Primary Ultrafine ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The unit of specific cake resistance is Gm/gm Cm/gm Gm/cm² Cm/gm² Gm/gm Cm/gm Gm/cm² Cm/gm² ANSWER DOWNLOAD EXAMIANS APP
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