Mechanical Operations Sphericity for a non-spherical particle is given by (where, V and S are volume and surface area respectively of one particle. and, D = equivalent diameter of particle). 6.V/D.S S/V V/D.S V/6D.S 6.V/D.S S/V V/D.S V/6D.S ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ is defined as the geometric mean of the relative rejections and the relative recoveries of two minerals. None of these Selectivity index Concentration ratio Separation efficiency None of these Selectivity index Concentration ratio Separation efficiency ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Froth floatation is the most suitable for treating Quartzite None of these Iron ores Sulphide ores Quartzite None of these Iron ores Sulphide ores ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Trommels are revolving screens which normally operate in the range of __________ rpm. 40 - 50 60 - 75 15 - 20 43832 40 - 50 60 - 75 15 - 20 43832 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A gravity decanter is meant for the separation of two __________ density. Miscible liquids of same Miscible liquids of different Immiscible liquids of same Immiscible liquids of different Miscible liquids of same Miscible liquids of different Immiscible liquids of same Immiscible liquids of different ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For sizing of fine materials, the most suitable equipment is a Trommel Vibrating screen Grizzly Shaking screen Trommel Vibrating screen Grizzly Shaking screen ANSWER DOWNLOAD EXAMIANS APP
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