Mechanical Operations Size reduction of the __________ can be suitably done by ball mills, crushing rolls and rod mills. Basic slags Non-metallic ores Asbestos & mica Metalliferrous ores Basic slags Non-metallic ores Asbestos & mica Metalliferrous ores ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is a vacuum filter? Batch basket centrifuge Filter press Tank filter (Nutsch filter) Rotary disc filter Batch basket centrifuge Filter press Tank filter (Nutsch filter) Rotary disc filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The specific surface of sherical particles is proportional to (where, Dp = diameter of particle). 1/D²p D²p 1/Dp Dp 1/D²p D²p 1/Dp Dp ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Moisture can be removed from lubricating oil using Sparkler filter Tubular centrifuge Vacuum leaf filter Clarifier Sparkler filter Tubular centrifuge Vacuum leaf filter Clarifier ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations According to Bond crushing law, the work required to form particle of size 'D' from very large feed is (where (S/V)p and (S/V)f are surface to volume ratio of the product and feed respectively). (S/V)f √(S/V)p (S/V)p (S/V)²p (S/V)f √(S/V)p (S/V)p (S/V)²p ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ are mixed using ribbon blenders. Lumpy solids and low viscosity liquids Thick pastes High viscosity liquids Dry powders Lumpy solids and low viscosity liquids Thick pastes High viscosity liquids Dry powders ANSWER DOWNLOAD EXAMIANS APP