Mechanical Operations Separation of solid suspended in liquid into a supernatant clear liquid and a denser slurry employs a process termed as the Sedimentation Flocculation Clarification Coagulation Sedimentation Flocculation Clarification Coagulation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of materials into products based on the difference of their sizes is called Sorting Classification Flocculation Sizing Sorting Classification Flocculation Sizing ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations All resistances during washing of cake Remain constant Decreases None of these Increases Remain constant Decreases None of these Increases 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 Volatile matter content Density separation Size Differential wettability Volatile matter content Density separation Size Differential wettability ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A sand mixture was screened through a standard 10-mesh screen. The mass fraction of the oversize material in feed, overflow and underflow were found to be 0.38, 0.79 and 0.22 respectively. The screen effectiveness based on the oversize is 0.5 0.58 0.62 0.68 0.5 0.58 0.62 0.68 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration should be stopped in a filter press, if the Cake becomes very dense Filtration pressure rises suddenly Liquor stops flowing out to the discharge Both A & B Cake becomes very dense Filtration pressure rises suddenly Liquor stops flowing out to the discharge Both A & B ANSWER DOWNLOAD EXAMIANS APP
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