Mechanical Operations Where the density difference of the two liquid phase to be separated is very small (as in milk cream separator), the most suitable separator is a Disc bowl centrifuge Sparkler filter Sharpies supercentrifuge Batch basket centrifuge Disc bowl centrifuge Sparkler filter Sharpies supercentrifuge Batch basket centrifuge ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following terminology is not used for size reduction of materials to fine sizes or powders? Dispersion Compression Pulverisation Comminution Dispersion Compression Pulverisation Comminution ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Washability curve based on float and sink test enables an assessment to be made of the possibility of cleaning a coal fraction based on the Density separation Volatile matter content Size Differential wettability Density separation Volatile matter content Size Differential wettability ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The value of work index does not change materially from one equipment to another. If the value of work index determined for close circuit grinding is Wi, then the same for open circuit grinding will be 3.34 Wi 1.34 Wi 0.5 Wi Wi 3.34 Wi 1.34 Wi 0.5 Wi Wi ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not a non-metalliferous mineral? Quartz Calcite Cassiterrite Fluorspar Quartz Calcite Cassiterrite Fluorspar ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Cake resistance is Important in the beginning of filtration Independent of pressure drop None of these Decreased with the time of filtration Important in the beginning of filtration Independent of pressure drop None of these Decreased with the time of filtration ANSWER DOWNLOAD EXAMIANS APP
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