Mechanical Operations Sphericity for a non-spherical particle is given by (where, V and S are volume and surface area respectively of one particle. and, D = equivalent diameter of particle). V/D.S V/6D.S S/V 6.V/D.S V/D.S V/6D.S S/V 6.V/D.S ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a revolving mill, wet grinding compared to dry grinding Complicates handling & classification of the product Has less capacity None of these Requires more energy Complicates handling & classification of the product Has less capacity None of these Requires more energy ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the usual value of angle of nip for crushing of ordinary rock in smooth steel crushing rolls? 40° 32° 16° 46° 40° 32° 16° 46° ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Solid particles separation based on the difference in their flow velocities through fluids is termed as the Clarification Classification Elutriation Sedimentation Clarification Classification Elutriation Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For a non-spherical particle, the sphericity Is defined as the ratio of surface area of a sphere having the same volume as the particle to the actual surface area of the particle Is the ratio of volume of a sphere having the same surface area as the particle to the actual volume of the particle Has the dimension of length Is always less than 1 Is defined as the ratio of surface area of a sphere having the same volume as the particle to the actual surface area of the particle Is the ratio of volume of a sphere having the same surface area as the particle to the actual volume of the particle Has the dimension of length Is always less than 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mixing of light fine powder such as insecticides is done by Kneader Impact wheels Banbery mixer Pug mill Kneader Impact wheels Banbery mixer Pug mill ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS