Mechanical Operations A __________ employs a set of screen across a flow channel for the separation of dirt/rust from a flowing liquid stream. Thickener Clarifier Classifier Strainer Thickener Clarifier Classifier Strainer ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vacuum is applied in __________ zone, in case of a general type continuous rotary drum vacuum filter. Drying All of these Filtering Washing Drying All of these Filtering Washing ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For spheres, the surface shape factor is given by (where, A = area, V = volume, and D = diameter) π(=A/D²) π/6(=V/D³) AD/V None of these π(=A/D²) π/6(=V/D³) AD/V None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The energy required per unit mass to grind limestone particles of very large size to 100 μm is 12.7 kWh/ton. An estimate (using Bond's law) of the energy to grind the particles from a very large size to 50 μrn is 25.4 kWh/ton 18 kWh/ton 6.35 kWh/ton 9.0 kWh/ton 25.4 kWh/ton 18 kWh/ton 6.35 kWh/ton 9.0 kWh/ton ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The sphericity of a solid particle of cubical shape is π/3 π (π/6)1/3 (π/6)1/2 π/3 π (π/6)1/3 (π/6)1/2 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the critical rotation speed in revolutions per second, for a ball mill of 1.2 m diameter charged with 70 mm dia balls? 0.66 1 0.5 2.76 0.66 1 0.5 2.76 ANSWER DOWNLOAD EXAMIANS APP
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