Mechanical Operations Ultracentrifuges running at speeds upto 100000 rpm is normally used for the Concentration of rubber latex Dewaxing of lubricating oil Separation of cream from milk Separation of isotopes based on their density or molecular weights difference Concentration of rubber latex Dewaxing of lubricating oil Separation of cream from milk Separation of isotopes based on their density or molecular weights difference ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During the washing of cake Cake resistance decreases All the resistances are constant Filter medium resistance increases Filter medium resistance decreases Cake resistance decreases All the resistances are constant Filter medium resistance increases Filter medium resistance decreases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Pulverised coal passing through 200 mesh screen has a diameter of 0.074 mm (74 micron). The same passing through 50 mesh screen will have a dia of __________ mm. 0.014 0.007 50 0.3 0.014 0.007 50 0.3 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In closed circuit grinding as compared to open circuit grinding, the Production rate at a given limiting size is lower Operation is economical Specific surface of product is more Product has lesser size uniformity Production rate at a given limiting size is lower Operation is economical Specific surface of product is more Product has lesser size uniformity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In screen analysis, the notation +5 mm/-10 mm means particles passing through Both 5 mm and 10 mm screens 10 mm screen and retained on 5 mm screen 5 mm screen and retained on 10 mm screen Neither 5 mm nor 10 mm screen Both 5 mm and 10 mm screens 10 mm screen and retained on 5 mm screen 5 mm screen and retained on 10 mm screen Neither 5 mm nor 10 mm screen ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations To remove very small amount of tiny solid impurities from liquid, we use a Coagulant Pressure filter Centrifugal filter Vacuum filter Coagulant Pressure filter Centrifugal filter Vacuum filter ANSWER DOWNLOAD EXAMIANS APP
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