Mechanical Operations In a size reduction crushing operation, feed size is 300 to 1500 mm while the product size is 100 to 300 mm. This is a case of the __________ crushing. Primary Fine Ultrafine Secondary Primary Fine Ultrafine Secondary ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Compressibility co-efficient for an absolutely compressible cake is 1 0 to 1 ∞ 1 0 to 1 ∞ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Reciprocating screens are normally inclined at an angle of 5° with the horizontal and employ gyratory motion at feed end & reciprocating motion at the discharge end. They are not suitable for the screening of the Light metal powder down upto 4 meshsize Dry chemicals Heavy tonnages of rocks or gravel Powdered food & granular materials Light metal powder down upto 4 meshsize Dry chemicals Heavy tonnages of rocks or gravel Powdered food & granular materials ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of a suspension or slurry into a supernatant clear liquid (free from particles) and a thick sludge containing a high concentration of solid is called Classification Clarification Sedimentation Decantation Classification Clarification Sedimentation Decantation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mass flow of granular solid (M) through a circular opening of dia, D follows M ∝ D² M ∝ √D M ∝ D³ M ∝ D M ∝ D² M ∝ √D M ∝ D³ M ∝ D ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Angle of nip of the crushing rolls does not depend upon the Product size Diameter of the rolls Feed size Speed of the rolls Product size Diameter of the rolls Feed size Speed of the rolls ANSWER DOWNLOAD EXAMIANS APP
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