Mechanical Operations For a non-spherical particle, the sphericity Has the dimension of length Is always less than 1 Is defined as the ratio of surface area of a sphere having the same volume as the particle to the actual surface area of the particle Is the ratio of volume of a sphere having the same surface area as the particle to the actual volume of the particle Has the dimension of length Is always less than 1 Is defined as the ratio of surface area of a sphere having the same volume as the particle to the actual surface area of the particle Is the ratio of volume of a sphere having the same surface area as the particle to the actual volume of the particle ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Number of particles in a crushed solid sample is given by (where, m = mass of particles in a sample, Vp = volume of one particle, ρ= density of particles) M . Vp/ρ M . ρ/Vp Vp/m . ρ M/ρ . Vp M . Vp/ρ M . ρ/Vp Vp/m . ρ M/ρ . Vp ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Cement clinker is reduced to fine size by a Hammer mill Ball mill Roll crusher Tube mill Hammer mill Ball mill Roll crusher Tube mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The opening of a 200 mesh screen (Taylor series) is 0.0074 cm 74 mili-microns 0.0074 mm 0.0047 cm 0.0074 cm 74 mili-microns 0.0074 mm 0.0047 cm ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most suitable equipment for removing the fine dust particle (< 1 micron dia.) from air below its dew point will be a/an Electrostatic precipitator Bag filter Wet scrubber Cyclone separator Electrostatic precipitator Bag filter Wet scrubber Cyclone separator ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Mixing of light fine powder such as insecticides is done by Pug mill Kneader Banbery mixer Impact wheels Pug mill Kneader Banbery mixer Impact wheels ANSWER DOWNLOAD EXAMIANS APP