Mechanical Operations Molten ammonium nitrate is mixed with ground limestone in fertilizer plant in a Muller mixer Banbury mixer Pug mill Mixer-extruder Muller mixer Banbury mixer Pug mill Mixer-extruder ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The opening of a 200 mesh screen (Taylor series) is 0.0074 mm 0.0047 cm 74 mili-microns 0.0074 cm 0.0074 mm 0.0047 cm 74 mili-microns 0.0074 cm ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Cake resistance is Decreased with the time of filtration Important in the beginning of filtration Independent of pressure drop None of these Decreased with the time of filtration Important in the beginning of filtration Independent of pressure drop None of these 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/√μ 1/μ √μ 1/μ² 1/√μ 1/μ √μ 1/μ² 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 D 0.5 D 2 D 1.5 D D 0.5 D ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Rittinger's number designates the new surface created per unit mechanical energy absorbed by the material being crushed. Larger value of Rittinger's number of a material indicates its High power consumption in grinding Easier grindability Poor grindability None of these High power consumption in grinding Easier grindability Poor grindability None of these ANSWER DOWNLOAD EXAMIANS APP