Mechanical Operations Ultracentrifuges running at speeds upto 100000 rpm is normally used for the Dewaxing of lubricating oil Concentration of rubber latex Separation of isotopes based on their density or molecular weights difference Separation of cream from milk Dewaxing of lubricating oil Concentration of rubber latex Separation of isotopes based on their density or molecular weights difference Separation of cream from milk 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 5 mm screen and retained on 10 mm screen 10 mm screen and retained on 5 mm screen Neither 5 mm nor 10 mm screen Both 5 mm and 10 mm screens 5 mm screen and retained on 10 mm screen 10 mm screen and retained on 5 mm screen Neither 5 mm nor 10 mm screen ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vibrating screens have capacity in the range of __________ tons/ft² .mm mesh size. 5 to 25 50 to 100 0.2 to 0.8 100 to 250 5 to 25 50 to 100 0.2 to 0.8 100 to 250 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Gelatinous solid (which plug the septum) can be filtered by a __________ filter. Precoat Sparkler Plate and frame Vacuum leaf Precoat Sparkler Plate and frame Vacuum leaf ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Energy consumption in a crusher decreases with increase in the Capacity of the crushing machine All of these Size of feed (at constant reduction ratio) Size of the product (at constant feed size) Capacity of the crushing machine All of these Size of feed (at constant reduction ratio) Size of the product (at constant feed size) ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During agitation of liquids, the Froude number is independent for the curves between power number and Reynolds number in baffled system All of these Power number becomes independent of impellers Reynolds number at high Reynolds number, but is dependent on the geometry of the impeller Froude number is used to account for the effect of surface (e.g., the centre vortex) on the power number Froude number is independent for the curves between power number and Reynolds number in baffled system All of these Power number becomes independent of impellers Reynolds number at high Reynolds number, but is dependent on the geometry of the impeller Froude number is used to account for the effect of surface (e.g., the centre vortex) on the power number ANSWER DOWNLOAD EXAMIANS APP