Mechanical Operations __________ is defined as the geometric mean of the relative rejections and the relative recoveries of two minerals. Concentration ratio None of these Selectivity index Separation efficiency Concentration ratio None of these Selectivity index Separation efficiency ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Out of the following size reduction equipments, the maximum feed size can be accepted by the Jaw crusher Tube mill Ball mill Jet pulveriser Jaw crusher Tube mill Ball mill Jet pulveriser ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is used for primary crushing of very hard lumpy materials? Gyratory crusher Ball mill Tube mill Toothed roll crusher Gyratory crusher Ball mill Tube mill Toothed roll crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Reciprocating screens are normally inclined at an angle of 5° with the horizontal and employ gyratory motion at feed end & reciprocating motion at the discharge end. They are not suitable for the screening of the Powdered food & granular materials Dry chemicals Heavy tonnages of rocks or gravel Light metal powder down upto 4 meshsize Powdered food & granular materials Dry chemicals Heavy tonnages of rocks or gravel Light metal powder down upto 4 meshsize ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The power number for a stirred tank becomes constant at high Reynolds number. In this limit, the variation of power input with impeller rotational speed (N) is proportional to N² N³ N° N¹ N² N³ N° N¹ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Gold ore concentration is mostly done using Elutriation Froth floatation Jigging Tabling Elutriation Froth floatation Jigging Tabling ANSWER DOWNLOAD EXAMIANS APP
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