Mechanical Operations Pine oil used in froth floatation technique acts as a/an Frother Modifier Collector Activator Frother Modifier Collector Activator ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations If dp is the equivalent diameter of a non-spherical particle, Vp its volume and sp its surface area, then its sphericity is Φs is defined by Φs = 6 dp Sp/Vp Φs = dp Sp/Vp Φs = 6 Vp/dp sp Φs = Vp/dp sp Φs = 6 dp Sp/Vp Φs = dp Sp/Vp Φs = 6 Vp/dp sp Φs = Vp/dp sp 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 . δρL (2R + δ) ½w² . R² . ρL ½w² . R . ρL(R + 2δ) ½w² . δ² . ρL ½w² . δρL (2R + δ) ½w² . R² . ρL ½w² . R . ρL(R + 2δ) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For grinding of cereals, grains, spices, pigments, saw dust, cork etc., the most extensively used size reduction equipment is a Crushing rolls Hammer mill Ball mill Buhrstone mill Crushing rolls Hammer mill Ball mill Buhrstone mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Arrange the following size reduction equipment in the decreasing order of the average particle size produced by each of them. Fluid energy mill, Ball mill, Jaw crusher Jaw crusher, Ball mill, Fluid energy mill Fluid energy mill, Jaw crusher, Ball mill Ball mill, Jaw crusher, Fluid energy mill Fluid energy mill, Ball mill, Jaw crusher Jaw crusher, Ball mill, Fluid energy mill Fluid energy mill, Jaw crusher, Ball mill Ball mill, Jaw crusher, Fluid energy mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Balls for ball mills are never made of Cast iron Lead Alloy steel Forged/cast steel Cast iron Lead Alloy steel Forged/cast steel ANSWER DOWNLOAD EXAMIANS APP
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