Mechanical Operations With increase in the capacity of screens, the screen effectiveness Decreases Increases Remains unchanged Decreases exponentially Decreases Increases Remains unchanged Decreases exponentially ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of asbestos and mica is done by Gyratory crushers Crushing rolls Rod mills Hammer mills Gyratory crushers Crushing rolls Rod mills Hammer mills ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sphericity of raschig ring (whose length and diameter are equal) is 2 >1 1 2 >1 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In closed circuit grinding as compared to open circuit grinding, the Specific surface of product is more Product has lesser size uniformity Production rate at a given limiting size is lower Operation is economical Specific surface of product is more Product has lesser size uniformity Production rate at a given limiting size is lower Operation is economical ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Length/diameter ratio of a ball mill is 1 1.5 > 1 < 1 1 1.5 > 1 < 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction mechanism used in Jaw crushers is Compression Impact Attrition Cutting Compression Impact Attrition Cutting ANSWER DOWNLOAD EXAMIANS APP