Mechanical Operations Reduction ratio of crushers is the Ratio of discharge opening to feed opening Determining factor for minimum dia of the feed and the product None of these Ratio of feed opening to discharge opening Ratio of discharge opening to feed opening Determining factor for minimum dia of the feed and the product None of these Ratio of feed opening to discharge opening ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Trommels are revolving screens which normally operate in the range of __________ rpm. 15 - 20 60 - 75 43832 40 - 50 15 - 20 60 - 75 43832 40 - 50 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A compressible cake has the Same porosity throughout the cake thickness Maximum porosity at the upstream side Maximum porosity at the filter medium None of these Same porosity throughout the cake thickness Maximum porosity at the upstream side Maximum porosity at the filter medium None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The constants (Kb, Kr and Kk) used in the laws of crushing (i.e., Bond's law, Rittinger's law and Kick's law) depend upon the Feed material Neither A nor B Type of crushing machine Both A & B Feed material Neither A nor B Type of crushing machine Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For sizing of fine materials, the most suitable equipment is a Grizzly Shaking screen Trommel Vibrating screen Grizzly Shaking screen Trommel Vibrating screen 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 KW. sec/kg Kg/sec KWh/kg KWh/sec. kg KW. sec/kg Kg/sec ANSWER DOWNLOAD EXAMIANS APP