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 Size Differential wettability Density separation Volatile matter content Size Differential wettability Density separation Volatile matter content ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Range of compressibility co-efficient of the commercial compressible cake obtained in filtration operation is 0.1 to 0.3 0.01 to 0.1 0.2 to 0.4 0.2 to 0.8 0.1 to 0.3 0.01 to 0.1 0.2 to 0.4 0.2 to 0.8 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pick out the wrong statement pertaining to the roll crushers. Both the rolls run necessarily at the same speed For hard material's crushing, the reduction ratio should not exceed 4 Maximum feed size determines the required roll diameter Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced Both the rolls run necessarily at the same speed For hard material's crushing, the reduction ratio should not exceed 4 Maximum feed size determines the required roll diameter Reduction ratio and differential roll speed affect production rate & energy consumed per unit of surface produced ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of asbestos and mica is done by Crushing rolls Gyratory crushers Rod mills Hammer mills Crushing rolls Gyratory crushers Rod mills Hammer mills ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Use of baffles in agitators help in minimising the __________ tendency. Swirling Both A & B Vortexing Neither A nor B Swirling Both A & B Vortexing Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Cartridge filters are termed as 'edge' filters, because of the fact that the Bulk of the solids are removed at the periphery of the disks None of these Solids are not deposited at the edge of the disk Disks have very sharp edge Bulk of the solids are removed at the periphery of the disks None of these Solids are not deposited at the edge of the disk Disks have very sharp edge ANSWER DOWNLOAD EXAMIANS APP