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 Decantation Classification Clarification Sedimentation Decantation Classification Clarification Sedimentation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is a pressure filter? Sand filter Leaf filter (Moore filter) Rotary drum filter Plate and flame filter Sand filter Leaf filter (Moore filter) Rotary drum filter Plate and flame filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Removal of activated carbon from glycerine is done by None of these Plate and frame filter Rotary vacuum filter Batch basket centrifuge None of these Plate and frame filter Rotary vacuum filter Batch basket centrifuge ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Sphericity of a cubical particle, when its equivalent diameter is taken as the height of the cube, is √3 √2 0.5 1 √3 √2 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of the __________ can be suitably done by ball mills, crushing rolls and rod mills. Metalliferrous ores Basic slags Non-metallic ores Asbestos & mica Metalliferrous ores Basic slags Non-metallic ores Asbestos & mica ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A tube mill as compared to a ball mill All of these Has larger length/diameter ratio (>2 as compared to 1 for ball mill) Gives finer size reduction but consumes more power Employs smaller balls All of these Has larger length/diameter ratio (>2 as compared to 1 for ball mill) Gives finer size reduction but consumes more power Employs smaller balls ANSWER DOWNLOAD EXAMIANS APP
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