Mechanical Operations Length/diameter ratio of a ball mill is 1 < 1 > 1 1.5 1 < 1 > 1 1.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Kick's law assumes that the energy required for size reduction is proportional to the logarithm of the ratio between the initial and the final diameters. The unit of Kick's constant is KWh/kg KWh/sec. kg Kg/sec KW. sec/kg KWh/kg KWh/sec. kg Kg/sec KW. sec/kg ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A compressible cake has the Same porosity throughout the cake thickness None of these Maximum porosity at the upstream side Maximum porosity at the filter medium Same porosity throughout the cake thickness None of these Maximum porosity at the upstream side Maximum porosity at the filter medium ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In case of a revolving mill, wet grinding compared to dry grinding Complicates handling & classification of the product Has less capacity Requires more energy None of these Complicates handling & classification of the product Has less capacity Requires more energy None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the critical rotation speed in revolutions per second, for a ball mill of 1.2 m diameter charged with 70 mm dia balls? 1 2.76 0.66 0.5 1 2.76 0.66 0.5 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The capacity of a gyratory crusher is __________ that of a jaw crusher with the same gape, handling the same feed & for the same product size range. 5 times 2.5 times 10 times Same as 5 times 2.5 times 10 times Same as ANSWER DOWNLOAD EXAMIANS APP