Mechanical Operations __________ is defined as the geometric mean of the relative rejections and the relative recoveries of two minerals. Separation efficiency Concentration ratio None of these Selectivity index Separation efficiency Concentration ratio None of these Selectivity index ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ mills fall in the category of tumbling mills, Compartment Rod and tube All of these Ball and pebble Compartment Rod and tube All of these Ball and pebble ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration capacity of a rotary drum vacuum filter depends upon the Cake thickness Characteristics of the feed slurry Neither A nor B Both A & B Cake thickness Characteristics of the feed slurry Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sphericity is the ratio of the surface area of a spherical particle having the same volume as the particle to the surface area of the particle. Which of the following has the maximum value of sphericity? Cylinder (L/D = 1) Cube Sphere Raschig rings Cylinder (L/D = 1) Cube Sphere Raschig rings ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Power required to drive a ball mill with a particular ball load is proportional to (where, D = diameter of ball mill ) D 1/D2.5 1/D D2.5 D 1/D2.5 1/D D2.5 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. 2.5 times 5 times 10 times Same as 2.5 times 5 times 10 times Same as ANSWER DOWNLOAD EXAMIANS APP
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