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/6D.S S/V 6.V/D.S V/D.S V/6D.S S/V 6.V/D.S V/D.S ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Angle of nip of the crushing rolls does not depend upon the Speed of the rolls Diameter of the rolls Product size Feed size Speed of the rolls Diameter of the rolls Product size Feed size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following gives the crushing energy required to create new surface ? Rittinger's law Fick's law None of these Taggarts rule Rittinger's law Fick's law None of these Taggarts rule ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A 30% (by volume) suspension of spherical sand particles in a viscous oil has a hindered settling velocity of 4.44 μm/s. If the Richardson Zaki hindered settling index is 4.5, then the terminal velocity of a sand grain is 22.1 μm/s 0.90 μm/s 0.02 μm/s 1 μm/s 22.1 μm/s 0.90 μm/s 0.02 μm/s 1 μm/s ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ are used for the separation of coarse particles from a slurry of fine particles. Classifiers Decanters Hydrocyclones Thickeners Classifiers Decanters Hydrocyclones Thickeners ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Cartridge filters are termed as 'edge' filters, because of the fact that the None of these Bulk of the solids are removed at the periphery of the disks Solids are not deposited at the edge of the disk Disks have very sharp edge None of these Bulk of the solids are removed at the periphery of the disks Solids are not deposited at the edge of the disk Disks have very sharp edge ANSWER DOWNLOAD EXAMIANS APP
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