Mechanical Operations In froth floatation, chemical agent added to cause air adherence is called Frother Activator Modifier Collector Frother Activator Modifier Collector ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of materials of the same density based on their sizes by using then-different rates of flow is called Flocculation Elutriation Sorting Sizing Flocculation Elutriation Sorting Sizing ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A sand mixture was screened through a standard 10-mesh screen. The mass fraction of the oversize material in feed, overflow and underflow were found to be 0.38, 0.79 and 0.22 respectively. The screen effectiveness based on the oversize is 0.68 0.62 0.5 0.58 0.68 0.62 0.5 0.58 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Two particles are called to be equal settling, if they are having the same. None of these Size Terminal velocities in the same fluid & in the same field of force Specific gravity None of these Size Terminal velocities in the same fluid & in the same field of force Specific gravity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Width and speed of a conveyor belt depends upon the __________ of the material. Neither A nor B Both A & B Lump size Bulk density Neither A nor B Both A & B Lump size Bulk density ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filter aid is used to Increase the porosity of the cake Decrease the pressure drop Increase the rate of filtration Act as a support base for the septum Increase the porosity of the cake Decrease the pressure drop Increase the rate of filtration Act as a support base for the septum ANSWER DOWNLOAD EXAMIANS APP
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