Mechanical Operations The ratio of the area of openings in one screen (Taylor series) to that of the openings in the next smaller screen is 1.5 None of these ?2 1 1.5 None of these ?2 1 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of ice and gypsum can be accomplished suitably by a __________ crusher. Toothed roll Blake jaw None of these Gyratory Toothed roll Blake jaw None of these Gyratory ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Theoretical capacity of crushing rolls in tons/hr is given by (where, V = peripherial velocity, m/sec. W = width of rolls, m Dr = distance between rolls ρ = density of material to be crushed, kg/m³ here, V =πN.D where, N = speed of the rolls in rotation per second (rps) D = diameter of rolls, m) 3.6 V.W. ρ 3.6 W.Dr.ρ 3.6 V.W.Dr/ρ 3.6 V.W.Dr.ρ 3.6 V.W. ρ 3.6 W.Dr.ρ 3.6 V.W.Dr/ρ 3.6 V.W.Dr.ρ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Equivalent diameter of a particle is the diameter of the sphere having the same None of these Volume as the particle Ratio of volume to surface as the particle Ratio of surface to volume as the actual volume None of these Volume as the particle Ratio of volume to surface as the particle Ratio of surface to volume as the actual volume ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Kick's law assumes that the energy required for size reduction is proportional to the logarithm of the ratio between the initial and the final diameters. The unit of Kick's constant is KWh/sec. kg KWh/kg Kg/sec KW. sec/kg KWh/sec. kg KWh/kg Kg/sec KW. sec/kg ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For a non-spherical particle, the sphericity 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 Has the dimension of length ANSWER DOWNLOAD EXAMIANS APP
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