Mechanical Operations Which of the following achieves the least reduction ratio for a given feed size? Roll crusher Jaw crusher Cone crusher Gyratory crusher Roll crusher Jaw crusher Cone crusher Gyratory crusher ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Reduction ratio of crushers is the Ratio of feed opening to discharge opening Determining factor for minimum dia of the feed and the product None of these Ratio of discharge opening to feed opening Ratio of feed opening to discharge opening Determining factor for minimum dia of the feed and the product None of these Ratio of discharge opening to feed opening ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Filtration operation carried out by continuous increase of the inlet pressure of slurry, is called the __________ filtration. Varying pressure Varying rate Constant pressure Constant rate Varying pressure Varying rate Constant pressure Constant rate 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
Mechanical Operations Which of the following is the most suitable for handling fibrous and dense slurries? Turbine agitator Propeller agitator Cone type agitator Radial propeller agitator Turbine agitator Propeller agitator Cone type agitator Radial propeller agitator ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Energy consumed for crushing one ton of material ranges from __________ kWh. 0.5 to 1.5 4 to 5 0.01 to 0.1 2 to 3.5 0.5 to 1.5 4 to 5 0.01 to 0.1 2 to 3.5 ANSWER DOWNLOAD EXAMIANS APP