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). V/D.S V/6D.S 6.V/D.S S/V V/D.S V/6D.S 6.V/D.S S/V ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations 200 mesh screen means 200 openings per Inch Cm Cm² Inch² Inch Cm Cm² Inch² ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For benefication of iron ore, the most commonly used method is Flocculation None of these Jigging & tabling Froth floatation Flocculation None of these Jigging & tabling Froth floatation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a roll crusher, the specific power consumption and the production rate is affected by the Differential roll speed Neither A nor B Both A & B Reduction ratio Differential roll speed Neither A nor B Both A & B Reduction ratio ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Production rate __________ with increased fineness, with a given energy input to the size reduction machine. May increase or decrease; depends on the machine Increases Decreases Remains unchanged May increase or decrease; depends on the machine Increases Decreases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration rate does not depend upon the None of these Resistance of the cake & the septum Pressure drop & area of filtering surface Properties of the cake & the filtrate None of these Resistance of the cake & the septum Pressure drop & area of filtering surface Properties of the cake & the filtrate ANSWER DOWNLOAD EXAMIANS APP