Mechanical Operations Length/diameter ratio of a ball mill is < 1 1.5 > 1 1 < 1 1.5 > 1 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mixing of light fine powder such as insecticides is done by Kneader Banbery mixer Pug mill Impact wheels Kneader Banbery mixer Pug mill Impact wheels ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In froth floatation, chemical agent added to cause air adherence is called Frother Collector Activator Modifier Frother Collector Activator Modifier ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Wet grinding in a revolving mill __________ as compared to dry grinding. Requires more energy Complicates handling of the product Increases capacity Gives less wear on chamber walls Requires more energy Complicates handling of the product Increases capacity Gives less wear on chamber walls 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 . δ² . ρL 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) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations As per Taggart's formula, the capacity (kg/hr) of Jaw & Gyratory crushers (for gapes of 10 to 60 cms) is equal to (where, L = Length of feed opening, cms S = Maximum width of discharge opening, cms ) 93 LS √LS 250 LS LS 93 LS √LS 250 LS LS ANSWER DOWNLOAD EXAMIANS APP