Mechanical Operations Ultracentrifuges running at speeds upto 100000 rpm is normally used for the Separation of cream from milk Dewaxing of lubricating oil Separation of isotopes based on their density or molecular weights difference Concentration of rubber latex Separation of cream from milk Dewaxing of lubricating oil Separation of isotopes based on their density or molecular weights difference Concentration of rubber latex ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Addition of filter aid to the slurry before filtration is done to ...... of the cake. Decrease the porosity Increase the porosity Decrease the compressibility co-efficient Increase the compressibility co-efficient Decrease the porosity Increase the porosity Decrease the compressibility co-efficient Increase the compressibility co-efficient ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtrate flow rate in case of a rotary drum vacuum filter (in which Rm < < Rc) is proportional to __________ and the cycle time (where, μ = filtrate viscosity Rm = filter medium resistance Rc = cake resistance ). √μ 1/μ 1/μ² 1/√μ √μ 1/μ 1/μ² 1/√μ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations At low Reynold's number, the power (P) required for agitating a fluid in a stirred tank becomes independent of inertial forces. In this limit, indicate which of the following relations is satisfied: Po = ρ/ρN3 D5 : Power number Re = ρ N D2/μ: Reynold's number N is the impeller rotational speed, and D is the impeller diameter. Po ∝ Re1.0 Po ∝ Re-1.0 Po ∝ Re0.5 Po ∝ Re0.0 Po ∝ Re1.0 Po ∝ Re-1.0 Po ∝ Re0.5 Po ∝ Re0.0 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mixing of light fine powder such as insecticides is done by Pug mill Banbery mixer Kneader Impact wheels Pug mill Banbery mixer Kneader Impact wheels ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations To get ultrafine particles, the equipment used is a Rod mill Ball mill Fluid energy mill Hammer crusher Rod mill Ball mill Fluid energy mill Hammer crusher ANSWER DOWNLOAD EXAMIANS APP
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