Mechanical Operations Driving force in case of filtration by a centrifuge is the Centrifugal pressure exerted by the liquid Formation of highly porous cake Speed of the centrifuge Narrow diameter of the vessel Centrifugal pressure exerted by the liquid Formation of highly porous cake Speed of the centrifuge Narrow diameter of the vessel ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The grinding in a hammer crusher takes place due to the Attrition Both A & B Neither A nor B Impact Attrition Both A & B Neither A nor B Impact ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration should be stopped in a filter press, if the Cake becomes very dense Both A & B Filtration pressure rises suddenly Liquor stops flowing out to the discharge Cake becomes very dense Both A & B Filtration pressure rises suddenly Liquor stops flowing out to the discharge ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Crushing efficiency of a machine ranges between __________ percent. 0.1 to 2 20 to 25 50 to 70 5 to 10 0.1 to 2 20 to 25 50 to 70 5 to 10 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Cumulative analysis for determining surface is more precise than differential analysis, because of the Assumption that all particles in a single fraction are equal in size None of these Assumption that all particles in a single fraction are equal in size, is not needed Fact that screening is more effective Assumption that all particles in a single fraction are equal in size None of these Assumption that all particles in a single fraction are equal in size, is not needed Fact that screening is more effective ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The capacity of a gyratory crusher is __________ that of a jaw crusher with the same gape, handling the same feed & for the same product size range. 10 times Same as 5 times 2.5 times 10 times Same as 5 times 2.5 times ANSWER DOWNLOAD EXAMIANS APP