Mechanical Operations Pine oil and cresylic acid are used as __________ in the froth floatation process. Depressor Frother Collector Conditioner Depressor Frother Collector Conditioner ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ are used for the separation of coarse particles from a slurry of fine particles. Thickeners Decanters Classifiers Hydrocyclones Thickeners Decanters Classifiers Hydrocyclones ANSWER DOWNLOAD EXAMIANS APP
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 __________ is defined as the geometric mean of the relative rejections and the relative recoveries of two minerals. None of these Selectivity index Separation efficiency Concentration ratio None of these Selectivity index Separation efficiency Concentration ratio ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration rate through a filter cake is proportional to (where, S = filtering surface R = specific cake resistance μ = viscosity of the filtrate) 1/μ 1/R All of these S 1/μ 1/R All of these S ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most suitable filter for the removal of very small amount of precipitate from very large volumes of water is the __________ filter. Rotary Plate & frame Sand Vacuum Rotary Plate & frame Sand Vacuum ANSWER DOWNLOAD EXAMIANS APP