Mechanical Operations The porosity of a compressible cake is Minimum at the filter medium Minimum at the upstream face Maximum at the filter medium Same throughout the thickness of cake Minimum at the filter medium Minimum at the upstream face Maximum at the filter medium Same throughout the thickness of cake ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations As particle size is reduced None of these Screening becomes progressively easier Screening becomes progressively more difficult Capacity and effectiveness of the screen is increased None of these Screening becomes progressively easier Screening becomes progressively more difficult Capacity and effectiveness of the screen is increased ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sizing of very fine particles of the order of 5 to 10 microns is done by elutriation, which is a __________ operation. Flocculation Clarification Sedimentation Classification Flocculation Clarification Sedimentation Classification ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ore concentration by jigging is based on the difference in the __________ of the particles. None of these Shape Wettability Specific gravities None of these Shape Wettability Specific gravities ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations With increase in drum speed, in a rotary drum filter, the filtration rate Increases linearly Decreases Increases Is not affected Increases linearly Decreases Increases Is not affected ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The capacity of a pneumatic conveying system depends upon the All of these Diameter of the conveying line Bulk density of materials Pressure of the conveying air All of these Diameter of the conveying line Bulk density of materials Pressure of the conveying air ANSWER DOWNLOAD EXAMIANS APP