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 Differential wettability Size Density separation Volatile matter content Differential wettability Size Density separation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sphericity of raschig ring (whose length and diameter are equal) is >1 1 2 >1 1 2 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Arrange the following size reduction equipment in the decreasing order of the average particle size produced by each of them. Fluid energy mill, Jaw crusher, Ball mill Jaw crusher, Ball mill, Fluid energy mill Fluid energy mill, Ball mill, Jaw crusher Ball mill, Jaw crusher, Fluid energy mill Fluid energy mill, Jaw crusher, Ball mill Jaw crusher, Ball mill, Fluid energy mill Fluid energy mill, Ball mill, Jaw crusher Ball mill, Jaw crusher, Fluid energy mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a size reduction crushing operation, the feed size is 10 to 50 mm, while the product size is 2 to 10 mm. This is a case of __________ crushing. Fine Primary Ultrafine Secondary Fine Primary Ultrafine Secondary ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations To remove very small amount of tiny solid impurities from liquid, we use a Pressure filter Coagulant Centrifugal filter Vacuum filter Pressure filter Coagulant Centrifugal filter Vacuum filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is the most suitable for cleaning of fine coal dust (<0.5 mm)? Spiral separator Trough washer Baum jig washer Froth floatation Spiral separator Trough washer Baum jig washer Froth floatation ANSWER DOWNLOAD EXAMIANS APP