Mechanical Operations Ultra centrifuges are used for the separation of __________ solid particles. Fine Coarse Dissolved Colloidal Fine Coarse Dissolved Colloidal ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size measurement of ultrafine particles can be best expressed in terms of Surface area per unit mass Micron Centimetre Screen size Surface area per unit mass Micron Centimetre Screen size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is a pressure filter? Rotary drum filter Sand filter Plate and flame filter Leaf filter (Moore filter) Rotary drum filter Sand filter Plate and flame filter Leaf filter (Moore filter) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Cake resistance is Important in the beginning of filtration Independent of pressure drop Decreased with the time of filtration None of these Important in the beginning of filtration Independent of pressure drop Decreased with the time of filtration None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations With increase in the capacity of screens, the screen effectiveness Decreases exponentially Decreases Remains unchanged Increases Decreases exponentially Decreases Remains unchanged Increases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ball mills and tube mills with flint or porcelain balls are used for size reduction of Rubber Limestone Asbestos Non-metallic ores Rubber Limestone Asbestos Non-metallic ores ANSWER DOWNLOAD EXAMIANS APP