Mechanical Operations Tabular bowl centrifuges as compared to disk bowl centrifuges Can't be used for separation of fine suspended solids from a liquid Operate at higher speed Can not be operated under pressure/vacuum Employ bowl of larger diameter Can't be used for separation of fine suspended solids from a liquid Operate at higher speed Can not be operated under pressure/vacuum Employ bowl of larger diameter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Fluid medium used in the classification technique of mineral beneficiation is Water Both A & B Air Neither A nor B Water Both A & B Air Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Grinding efficiency of a ball mill is of the order of __________ percent. 90-95 43835 75-80 40-50 90-95 43835 75-80 40-50 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Toothed roll crushers achieve size reduction by Tearing (shear) and compression Impact and attrition Neither A nor B Both A & B Tearing (shear) and compression Impact and attrition Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A tube mill as compared to a ball mill Employs smaller balls Gives finer size reduction but consumes more power All of these Has larger length/diameter ratio (>2 as compared to 1 for ball mill) Employs smaller balls Gives finer size reduction but consumes more power All of these Has larger length/diameter ratio (>2 as compared to 1 for ball mill) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mixing of light fine powder such as insecticides is done by Pug mill Impact wheels Kneader Banbery mixer Pug mill Impact wheels Kneader Banbery mixer ANSWER DOWNLOAD EXAMIANS APP