Mechanical Operations The maximum slope of a belt conveyor can be 60° 30° 15° 45° 60° 30° 15° 45° ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Crushing of mineral particles is accomplished in a 'cage mill', when one or more alloy steel bars are revolved in opposite directions. It is a type of __________ mill. Vibratory Roll Impact None of these Vibratory Roll Impact None of these 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/ρ . Vp M . ρ/Vp M . Vp/ρ Vp/m . ρ M/ρ . Vp M . ρ/Vp M . Vp/ρ Vp/m . ρ 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.Dr/ρ 3.6 V.W. ρ 3.6 V.W.Dr.ρ 3.6 W.Dr.ρ 3.6 V.W.Dr/ρ 3.6 V.W. ρ 3.6 V.W.Dr.ρ 3.6 W.Dr.ρ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of a suspension or slurry into a supernatant clear liquid (free from particles) and a thick sludge containing a high concentration of solid is called Classification Sedimentation Decantation Clarification Classification Sedimentation Decantation Clarification ANSWER DOWNLOAD EXAMIANS APP
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 None of these 1 1.5 ?2 None of these 1 1.5 ?2 ANSWER DOWNLOAD EXAMIANS APP
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