Mechanical Operations The specific surface of spherical particles is given by (where D and ρ are diameter and density of particle). 2/D.p 12/D.p 6/D.p 4/D.p 2/D.p 12/D.p 6/D.p 4/D.p 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 ). 1/μ² 1/√μ √μ 1/μ 1/μ² 1/√μ √μ 1/μ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During agitation of liquids, power consumption during laminar flow is not proportional to the Viscosity of the liquid Density of the liquid Square of rotational speed Cube of impeller diameters Viscosity of the liquid Density of the liquid Square of rotational speed Cube of impeller diameters ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following gives the work required for size reduction of coal to -200 mesh in a ball mill most accurately ? Rittinger's law Bond's law Kick's law None of these Rittinger's law Bond's law Kick's law None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations With increase in the pressure drop across the cake, the specific cake resistance for the compressible sludge Decreases Increases linearly Increases Remains constant Decreases Increases linearly Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is a pressure filter? Sand filter Leaf filter (Moore filter) Rotary drum filter Plate and flame filter Sand filter Leaf filter (Moore filter) Rotary drum filter Plate and flame filter ANSWER DOWNLOAD EXAMIANS APP