Mechanical Operations Which of the following crushing laws is most accurately applicable to the fine grinding of materials ? Kick's law Bond's crushing law Rittinger's law None of these Kick's law Bond's crushing law Rittinger's law None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Power consumption during turbulent flow in agitation tank is proportional to the __________ of the liquid. Density Surface tension Thermal conductivity Viscosity Density Surface tension Thermal conductivity Viscosity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ balls capable of grinding the feed in a ball mill gives the maximum efficiency. Minimum size Maximum size Elliptical Cast iron Minimum size Maximum size Elliptical Cast iron ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations As particle size is reduced None of these Screening becomes progressively easier Capacity and effectiveness of the screen is increased Screening becomes progressively more difficult None of these Screening becomes progressively easier Capacity and effectiveness of the screen is increased Screening becomes progressively more difficult ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of solid particles based on their densities is called Clarification Sorting Sizing Dispersion Clarification Sorting Sizing Dispersion ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations At low Reynold's number, the power (P) required for agitating a fluid in a stirred tank becomes independent of inertial forces. In this limit, indicate which of the following relations is satisfied: Po = ρ/ρN3 D5 : Power number Re = ρ N D2/μ: Reynold's number N is the impeller rotational speed, and D is the impeller diameter. Po ∝ Re0.5 Po ∝ Re0.0 Po ∝ Re-1.0 Po ∝ Re1.0 Po ∝ Re0.5 Po ∝ Re0.0 Po ∝ Re-1.0 Po ∝ Re1.0 ANSWER DOWNLOAD EXAMIANS APP
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