Mechanical Operations The sphericity of a cylinder of 1 mm diameter and length 3 mm is 0.5 0.9 0.78 0.6 0.5 0.9 0.78 0.6 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For benefication of iron ore, the most commonly used method is Froth floatation Flocculation Jigging & tabling None of these Froth floatation Flocculation Jigging & tabling None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In classification, particles are said to be equal settling, if they have the same terminal velocities in the Same fluid Same field of force Both B and C Different fluids Same fluid Same field of force Both B and C Different fluids ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtrate flow rate in case of a rotary drum vacuum filter (in which Rm < < Rc) is proportional to __________ and the cycle time (where, μ = filtrate viscosity Rm = filter medium resistance Rc = cake resistance ). 1/μ 1/√μ 1/μ² √μ 1/μ 1/√μ 1/μ² √μ ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following is a continuous filter? None of these Plate and frame filter Shell and leaf filter Cartridge filter None of these Plate and frame filter Shell and leaf filter Cartridge filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Work index is defined as the Energy needed to crush one tonne of feed to 200 microns Gross energy (kWh/ton of feed) needed to reduce very large feed to such a size that 80% of the product passes through a 100 micron screen Energy (kWh/ton of feed) needed to crush small feed to such a size that 80% of the product passes a 200 mesh screen Energy needed to crush one ton of feed to 100 microns Energy needed to crush one tonne of feed to 200 microns Gross energy (kWh/ton of feed) needed to reduce very large feed to such a size that 80% of the product passes through a 100 micron screen Energy (kWh/ton of feed) needed to crush small feed to such a size that 80% of the product passes a 200 mesh screen Energy needed to crush one ton of feed to 100 microns ANSWER DOWNLOAD EXAMIANS APP
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