Mechanical Operations Optimum ratio of operating speed to critical speed of a trommel is 0.5-2 1.5-2.5 1.33-1.45 0.33-0.45 0.5-2 1.5-2.5 1.33-1.45 0.33-0.45 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Soft & non-abrasive materials can be made into fines by None of these Cutting Attrition Compression None of these Cutting Attrition Compression ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During the washing of cake All the resistances are constant Filter medium resistance decreases Filter medium resistance increases Cake resistance decreases All the resistances are constant Filter medium resistance decreases Filter medium resistance increases Cake resistance decreases 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 Separation efficiency Concentration ratio None of these Selectivity index Separation efficiency Concentration ratio None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Tank filter (e.g., Nutsch filter) is A continuous filter A leaf filter Used for small scale filtration work A high pressure filter A continuous filter A leaf filter Used for small scale filtration work A high pressure filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations If a force greater than that of gravity is used to separate solids & fluids of different densities, the process is termed as the Sedimentation Centrifugation Dispersion Flocculation Sedimentation Centrifugation Dispersion Flocculation ANSWER DOWNLOAD EXAMIANS APP
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