Mechanical Operations Tabular bowl centrifuges as compared to disk bowl centrifuges Can't be used for separation of fine suspended solids from a liquid Operate at higher speed Employ bowl of larger diameter Can not be operated under pressure/vacuum Can't be used for separation of fine suspended solids from a liquid Operate at higher speed Employ bowl of larger diameter Can not be operated under pressure/vacuum ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Cartridge filters are termed as 'edge' filters, because of the fact that the None of these Solids are not deposited at the edge of the disk Bulk of the solids are removed at the periphery of the disks Disks have very sharp edge None of these Solids are not deposited at the edge of the disk Bulk of the solids are removed at the periphery of the disks Disks have very sharp edge ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations With increase in drum speed, in a rotary drum filter, the filtration rate Increases Increases linearly Is not affected Decreases Increases Increases linearly Is not affected Decreases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Specific surface area is the surface area of a unit __________ of materials. Volume Neither A nor B Either A or B Weight Volume Neither A nor B Either A or B Weight ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Crushing efficiency is the ratio of the Energy fed to the machine to the surface energy created by crushing Energy absorbed by the solid to the surface energy created by crushing Energy absorbed by the solid to that fed to the machine Surface energy created by crushing to the energy absorbed by the solid Energy fed to the machine to the surface energy created by crushing Energy absorbed by the solid to the surface energy created by crushing Energy absorbed by the solid to that fed to the machine Surface energy created by crushing to the energy absorbed by the solid ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sulphuric acid mist is arrested by using a __________ scrubber. Co-current Venturi Packed wet Hollow wet Co-current Venturi Packed wet Hollow wet ANSWER DOWNLOAD EXAMIANS APP