Mechanical Operations Which of the following size reduction equipments employs mainly attrition for ultrafine grinding? Micronizer Jet mills Fluid energy mill All of these Micronizer Jet mills Fluid energy mill All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ultracentrifuges running at speeds upto 100000 rpm is normally used for the Separation of cream from milk Separation of isotopes based on their density or molecular weights difference Dewaxing of lubricating oil Concentration of rubber latex Separation of cream from milk Separation of isotopes based on their density or molecular weights difference Dewaxing of lubricating oil Concentration of rubber latex ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Height of liquid in agitation tank is normally maintained equal to the tank diameter. However, if the tank is too tall and a large liquid hold up is desired, then two or more impellers mounted on the same shaft may be used. The clearance between the tank bottom and the bottom most impeller should be about (where, D = impeller diameter) 2 D 1.5 D 0.5 D D 2 D 1.5 D 0.5 D D ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The study on washability of coal is done by using the __________ technique. Elutriation None of these Heavy media separation Tabling Elutriation None of these Heavy media separation Tabling ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most suitable filter for the removal of very small amount of precipitate from very large volumes of water is the __________ filter. Vacuum Sand Plate & frame Rotary Vacuum Sand Plate & frame Rotary ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Cyclones are used primarily for separating Solids from solids Solids Liquids Solids from fluids Solids from solids Solids Liquids Solids from fluids ANSWER DOWNLOAD EXAMIANS APP
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