Mechanical Operations Which of the following terminology is not used for size reduction of materials to fine sizes or powders? Dispersion Comminution Pulverisation Compression Dispersion Comminution Pulverisation Compression ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration rate through a filter cake is proportional to (where, S = filtering surface R = specific cake resistance μ = viscosity of the filtrate) 1/μ All of these 1/R S 1/μ All of these 1/R S ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Moore filter is a __________ filter. Rotary Sand Leaf Press Rotary Sand Leaf Press ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In continuous filtration (at a constant pressure drop), filtrate flow rate varies inversely as the Square of the viscosity Square root of the velocity Filtration time only Washing time only Square of the viscosity Square root of the velocity Filtration time only Washing time only ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following can be most effectively used for clarification of lube oil and printing ink? Sharpies supercentrifuge Precoat filter Disc-bowl centrifuge Sparkler filter Sharpies supercentrifuge Precoat filter Disc-bowl centrifuge Sparkler filter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations What is the selectivity index, if the grade of tailings & concentrate is the same? ∞ 0.5 1 ∞ 0.5 1 ANSWER DOWNLOAD EXAMIANS APP
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