Mechanical Operations Ore concentration by jigging is based on the difference in the __________ of the particles. None of these Wettability Specific gravities Shape None of these Wettability Specific gravities Shape ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A compressible cake has the Maximum porosity at the upstream side Same porosity throughout the cake thickness Maximum porosity at the filter medium None of these Maximum porosity at the upstream side Same porosity throughout the cake thickness Maximum porosity at the filter medium None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The resistance offered by the filter used in a bag filter is proportional to (where, c = dust concentration, and s = particle size ) S . c C/s S/c 1/s . c S . c C/s S/c 1/s . c ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rod mills employed for grinding Employ steel rods of 2-12 cms diameter extending over full length of the mill Is useful for handling sticky materials Employ a steel shell having L/D ratio of 1.5 to 3.0 All of these Employ steel rods of 2-12 cms diameter extending over full length of the mill Is useful for handling sticky materials Employ a steel shell having L/D ratio of 1.5 to 3.0 All of these 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. Same as 5 times 2.5 times 10 times Same as 5 times 2.5 times 10 times ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific surface of sherical particles is proportional to (where, Dp = diameter of particle). D²p Dp 1/Dp 1/D²p D²p Dp 1/Dp 1/D²p ANSWER DOWNLOAD EXAMIANS APP
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