Mechanical Operations Ball mills and tube mills with flint or porcelain balls are used for size reduction of Asbestos Non-metallic ores Rubber Limestone Asbestos Non-metallic ores Rubber Limestone ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Cartridge filters are termed as 'edge' filters, because of the fact that the Bulk of the solids are removed at the periphery of the disks Disks have very sharp edge Solids are not deposited at the edge of the disk None of these Bulk of the solids are removed at the periphery of the disks Disks have very sharp edge Solids are not deposited at the edge of the disk None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Number of particles in a crushed solid sample is given by (where, m = mass of particles in a sample, Vp = volume of one particle, ρ= density of particles) M . ρ/Vp Vp/m . ρ M/ρ . Vp M . Vp/ρ M . ρ/Vp Vp/m . ρ M/ρ . Vp M . Vp/ρ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Choke crushing (in case of a Jaw crusher) compared to free crushing Results in increased capacity Consumes less power Consumes more power Both A and C Results in increased capacity Consumes less power Consumes more power Both A and C ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following gives the crushing energy required to create new surface ? Rittinger's law Taggarts rule None of these Fick's law Rittinger's law Taggarts rule None of these Fick's law ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mesh indicates the number of holes per Linear inch Linear foot Square inch Square foot Linear inch Linear foot Square inch Square foot ANSWER DOWNLOAD EXAMIANS APP