Mechanical Operations __________ balls capable of grinding the feed in a ball mill gives the maximum efficiency. Maximum size Minimum size Elliptical Cast iron Maximum size Minimum size Elliptical Cast iron ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not used as a surface active agent in a flocculation operation? Quartz Sodium silicate Alumina Lime Quartz Sodium silicate Alumina Lime ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of moulding powders, waxes, resins & gums are done in a __________ mill. Cage Hammer Both A & B Neither A nor B Cage Hammer Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations As particle size is reduced Screening becomes progressively easier Screening becomes progressively more difficult None of these Capacity and effectiveness of the screen is increased Screening becomes progressively easier Screening becomes progressively more difficult None of these Capacity and effectiveness of the screen is increased ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Chance process is used for the Water treatment Cleaning of coal Concentration of pyrites Concentration of iron ore Water treatment Cleaning of coal Concentration of pyrites Concentration of iron ore ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sedimentation on commercial scale occurs in Rotary drum filters Classifiers Cyclones Thickeners Rotary drum filters Classifiers Cyclones Thickeners ANSWER DOWNLOAD EXAMIANS APP