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 Differential wettability Density separation Volatile matter content Size Differential wettability Density separation Volatile matter content Size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filter medium resistance is important during the __________ of filtration. Entire process None of these Early stages Final stages Entire process None of these Early stages Final stages ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations With increase in the capacity of screens, the screen effectiveness Decreases exponentially Increases Decreases Remains unchanged Decreases exponentially Increases Decreases Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The mechanism of size reduction by a hammer mill is by impact and attrition between the Grinding element & the housing Both A & B Neither A nor B Feed particles Grinding element & the housing Both A & B Neither A nor B Feed particles ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For efficient grinding, ball mills must be operated At a speed less than the critical speed With minimum possible small balls At a speed equal to the critical speed At a speed more than the critical speed At a speed less than the critical speed With minimum possible small balls At a speed equal to the critical speed At a speed more than the critical speed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Wheat is ground into flour in a Impact mill Hammer crusher Roller crusher Fluid energy mill Impact mill Hammer crusher Roller crusher Fluid energy mill ANSWER DOWNLOAD EXAMIANS APP
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