Mechanical Operations Ore concentration by jigging is based on the difference in the __________ of the particles. Wettability Shape None of these Specific gravities Wettability Shape None of these Specific gravities ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following grinding mills has the horizontally arranged rods as the grinding elements thereby delivering more uniform granular products with minimum fines? Compartment mill Tube mill Rod mill Pebble mill Compartment mill Tube mill Rod mill Pebble mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Additives used for promoting the floccula-tion of particles is a/an Neither A nor B Both A & B Electrolyte Surface active agent Neither A nor B Both A & B Electrolyte Surface active agent ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A centrifugal filtration unit operating at a rotational speed of w has inner surface of the liquid (density ρL) located at a radial distance R from the axis of rotation. The thickness of the liquid film is δ and no cake is formed. The initial pressure drop during filtration is ½w² . R² . ρL ½w² . R . ρL(R + 2δ) ½w² . δρL (2R + δ) ½w² . δ² . ρL ½w² . R² . ρL ½w² . R . ρL(R + 2δ) ½w² . δρL (2R + δ) ½w² . δ² . ρL ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of ice and gypsum can be accomplished suitably by a __________ crusher. Toothed roll Blake jaw Gyratory None of these Toothed roll Blake jaw Gyratory None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Screen efficiency is Rejection Recovery Recovery/rejection None of these Rejection Recovery Recovery/rejection None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS