Mechanical Operations Cumulative analysis for determining surface is more precise than differential analysis, because of the Assumption that all particles in a single fraction are equal in size None of these Assumption that all particles in a single fraction are equal in size, is not needed Fact that screening is more effective Assumption that all particles in a single fraction are equal in size None of these Assumption that all particles in a single fraction are equal in size, is not needed Fact that screening is more effective ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The filter medium resistance is controlled by Pressure drop alone Cake thickness Both pressure drop and flow rate Flow rate alone Pressure drop alone Cake thickness Both pressure drop and flow rate Flow rate alone ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the critical rotation speed in revolutions per second, for a ball mill of 1.2 m diameter charged with 70 mm dia balls? 0.5 0.66 1 2.76 0.5 0.66 1 2.76 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In classification, particles are said to be equal settling, if they have the same terminal velocities in the Different fluids Same field of force Both B and C Same fluid Different fluids Same field of force Both B and C Same fluid ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ is defined as the geometric mean of the relative rejections and the relative recoveries of two minerals. Concentration ratio Separation efficiency None of these Selectivity index Concentration ratio Separation efficiency None of these Selectivity index ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Molten ammonium nitrate is mixed with ground limestone in fertilizer plant in a Banbury mixer Mixer-extruder Muller mixer Pug mill Banbury mixer Mixer-extruder Muller mixer Pug mill ANSWER DOWNLOAD EXAMIANS APP
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