Mechanical Operations Energy requirement (per unit mass of material crushed/ground) is highest for Ball mill Rod mill Jaw crusher Fluid energy mill Ball mill Rod mill Jaw crusher Fluid energy mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Solid particles of different densities are separated by Sorting classifier Cyclones Thickness Filters Sorting classifier Cyclones Thickness Filters ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following may prove unsuitable for filtering volatile liquids? Vacuum filter Centrifugal filter Pressure filter Gravity filter Vacuum filter Centrifugal filter Pressure filter Gravity filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations During size reduction by a jaw crusher, the energy consumed decreases with the Decreasing size of product at constant size of feed None of these Decreasing machine capacity Increasing size of feed at constant reduction ratio Decreasing size of product at constant size of feed None of these Decreasing machine capacity Increasing size of feed at constant reduction ratio 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 W.Dr.ρ 3.6 V.W. ρ 3.6 V.W.Dr/ρ 3.6 V.W.Dr.ρ 3.6 W.Dr.ρ 3.6 V.W. ρ 3.6 V.W.Dr/ρ 3.6 V.W.Dr.ρ 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 Vp/m . ρ M . Vp/ρ M . ρ/Vp M/ρ . Vp Vp/m . ρ M . Vp/ρ ANSWER DOWNLOAD EXAMIANS APP
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