Mechanical Operations Ultracentrifuges running at speeds upto 100000 rpm is normally used for the Separation of cream from milk Concentration of rubber latex Dewaxing of lubricating oil Separation of isotopes based on their density or molecular weights difference Separation of cream from milk Concentration of rubber latex Dewaxing of lubricating oil Separation of isotopes based on their density or molecular weights difference ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration rate through a filter cake is proportional to (where, S = filtering surface R = specific cake resistance μ = viscosity of the filtrate) S 1/μ 1/R All of these S 1/μ 1/R All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Wheat is ground into flour in a Roller crusher Impact mill Fluid energy mill Hammer crusher Roller crusher Impact mill Fluid energy mill Hammer crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is not used as a filter medium in case of corrosive liquids? Glass cloth Nylon Metal cloth of monel or stainless steel Cotton fabric Glass cloth Nylon Metal cloth of monel or stainless steel Cotton fabric ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Use of 'grinding aids' is done in __________ grinding. Intermediate Ultrafine Wet Dry Intermediate Ultrafine Wet Dry ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In filtration, the use of 'filter aid' helps in Deplugging the filter medium Reducing the filtration pressure Enhancing the cake porosity in case of a dense impermeable cake Accelerating the rate of filtration Deplugging the filter medium Reducing the filtration pressure Enhancing the cake porosity in case of a dense impermeable cake Accelerating the rate of filtration ANSWER DOWNLOAD EXAMIANS APP
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