Mechanical Operations Sphericity of raschig ring (whose length and diameter are equal) is 1 2 >1 1 2 >1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Crushing efficiency of a machine ranges between __________ percent. 50 to 70 20 to 25 5 to 10 0.1 to 2 50 to 70 20 to 25 5 to 10 0.1 to 2 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The energy required per unit mass to grind limestone particles of very large size to 100 μm is 12.7 kWh/ton. An estimate (using Bond's law) of the energy to grind the particles from a very large size to 50 μrn is 25.4 kWh/ton 18 kWh/ton 6.35 kWh/ton 9.0 kWh/ton 25.4 kWh/ton 18 kWh/ton 6.35 kWh/ton 9.0 kWh/ton ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Length/diameter ratio of a ball mill is 1.5 > 1 1 < 1 1.5 > 1 1 < 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ultracentrifuges running at speeds upto 100000 rpm is normally used for the Separation of cream from milk Concentration of rubber latex Separation of isotopes based on their density or molecular weights difference Dewaxing of lubricating oil Separation of cream from milk Concentration of rubber latex Separation of isotopes based on their density or molecular weights difference Dewaxing of lubricating oil ANSWER DOWNLOAD EXAMIANS APP
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