Mechanical Operations Size reduction of moulding powders, waxes, resins & gums are done in a __________ mill. Neither A nor B Cage Both A & B Hammer Neither A nor B Cage Both A & B Hammer ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not a non-metalliferous mineral? Fluorspar Calcite Quartz Cassiterrite Fluorspar Calcite Quartz Cassiterrite ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For spheres, the surface shape factor is given by (where, A = area, V = volume, and D = diameter) π/6(=V/D³) None of these π(=A/D²) AD/V π/6(=V/D³) None of these π(=A/D²) AD/V ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations According to Taggart's rule for selecting between a gyratory crusher and a jaw crusher; the later should be used, if the hourly tonnage to be crushed divided by the square of the gape expressed in cm is less than 1.84 0.0184 0.184 0.00184 1.84 0.0184 0.184 0.00184 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following crushing laws is most accurately applicable to the fine grinding of materials ? Rittinger's law None of these Kick's law Bond's crushing law Rittinger's law None of these Kick's law Bond's crushing law ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sizing of very fine particles of the order of 5 to 10 microns is done by elutriation, which is a __________ operation. Classification Clarification Sedimentation Flocculation Classification Clarification Sedimentation Flocculation ANSWER DOWNLOAD EXAMIANS APP