Mechanical Operations In froth floatation, chemical agent added to cause air adherence is called Activator Modifier Frother Collector Activator Modifier Frother Collector ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not accomplished by agitation of liquids in agitators? Dispersing gas in liquid Suspending solid particles Blending of immiscible liquids Dispersing immiscible liquid in form of emulsion Dispersing gas in liquid Suspending solid particles Blending of immiscible liquids Dispersing immiscible liquid in form of emulsion ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Energy requirement (per unit mass of material crushed/ground) is highest for Fluid energy mill Jaw crusher Rod mill Ball mill Fluid energy mill Jaw crusher Rod mill Ball mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Trommels separate a mixture of particles depending on their Size Wettability Electrical & magnetic properties Density Size Wettability Electrical & magnetic properties Density ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The critical speed of a trommel (N) is related to its dia (D) as N ∝ √D N ∝ 1/D N ∝ D N ∝ 1/√D N ∝ √D N ∝ 1/D N ∝ D N ∝ 1/√D ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration should be stopped in a filter press, if the Liquor stops flowing out to the discharge Both A & B Filtration pressure rises suddenly Cake becomes very dense Liquor stops flowing out to the discharge Both A & B Filtration pressure rises suddenly Cake becomes very dense ANSWER DOWNLOAD EXAMIANS APP