Mechanical Operations For a sphere falling in the constant drag co-efficient regime, its terminal velocity depends on its diameter (d) as 1/d D D² √d 1/d D D² √d ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ is defined as the geometric mean of the relative rejections and the relative recoveries of two minerals. Selectivity index None of these Concentration ratio Separation efficiency Selectivity index None of these Concentration ratio Separation efficiency ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sauter mean diameter is the same as the __________ mean diameter. Mass Geometric Arithmetic Volume-surface Mass Geometric Arithmetic Volume-surface ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Grinding characteristic of a material is given by its Abrasion index Shatter index Angle of repose HGI Abrasion index Shatter index Angle of repose HGI ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not used as a filter medium in case of corrosive liquids? Cotton fabric Nylon Glass cloth Metal cloth of monel or stainless steel Cotton fabric Nylon Glass cloth Metal cloth of monel or stainless steel ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filter aids like asbestos, kieselguhr, diatomaceous earth etc. are used to increase the porosity of the final filter cake & reducing the cake resistance during filtration. Filter aid is Added to the feed slurry Precoated on the filter medium prior to filtration Separated from the cake by dissolving solids or by burning it off All of these Added to the feed slurry Precoated on the filter medium prior to filtration Separated from the cake by dissolving solids or by burning it off All of these ANSWER DOWNLOAD EXAMIANS APP
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