Mechanical Operations Which of the following is not used as filter aid? Purified wood cellulose Diatomaceous earth Asbestos Rice husk Purified wood cellulose Diatomaceous earth Asbestos Rice husk ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations If radius of a batch basket centrifuge is halved & the r.p.m. is doubled, then the Capacity of centrifuge is increased Linear speed of the basket is doubled Linear speed of the basket is halved Centrifugal force is doubled Capacity of centrifuge is increased Linear speed of the basket is doubled Linear speed of the basket is halved Centrifugal force is doubled ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Additives used for promoting the floccula-tion of particles is a/an Surface active agent Electrolyte Neither A nor B Both A & B Surface active agent Electrolyte Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The maximum slope of a belt conveyor can be 60° 45° 15° 30° 60° 45° 15° 30° ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Higher is the mesh number, smaller will be the aperture size of the screen. It means that the aperture size of a 200 mesh screen will be smaller than that of 20 mesh screen. This is valid for British standard screens All of these American standard screens (ASTM and Tyler standard screens) German standard screens (DIN 1171) etc British standard screens All of these American standard screens (ASTM and Tyler standard screens) German standard screens (DIN 1171) etc ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Gold ore concentration is mostly done using Elutriation Froth floatation Jigging Tabling Elutriation Froth floatation Jigging Tabling ANSWER DOWNLOAD EXAMIANS APP