Mechanical Operations Filter aid is used to Increase the porosity of the cake Increase the rate of filtration Act as a support base for the septum Decrease the pressure drop Increase the porosity of the cake Increase the rate of filtration Act as a support base for the septum Decrease the pressure drop ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For a non-spherical particle, the sphericity 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 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 always less than 1 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 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 always less than 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following must be stored in silos and not in open yard? Sand High V.M. bituminous coal None of these Coke breeze Sand High V.M. bituminous coal None of these Coke breeze ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ are used for the separation of coarse particles from a slurry of fine particles. Thickeners Hydrocyclones Decanters Classifiers Thickeners Hydrocyclones Decanters Classifiers ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Cartridge filters are termed as 'edge' filters, because of the fact that the Disks have very sharp edge Bulk of the solids are removed at the periphery of the disks Solids are not deposited at the edge of the disk None of these Disks have very sharp edge Bulk of the solids are removed at the periphery of the disks Solids are not deposited at the edge of the disk None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For efficient grinding, ball mills must be operated At a speed equal to the critical speed With minimum possible small balls At a speed less than the critical speed At a speed more than the critical speed At a speed equal to the critical speed With minimum possible small balls At a speed less than the critical speed At a speed more than the critical speed ANSWER DOWNLOAD EXAMIANS APP
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