Mechanical Operations Ore concentration by jigging is based on the difference in the __________ of the particles. None of these Wettability Shape Specific gravities None of these Wettability Shape Specific gravities ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For a turbine agitated and baffled tank, operating at low Reynold's number (based on impeller diameter), the power number (Np) varies with NRe as Np ∝ √NRe Np ∝ NRe Np → constant Np ∝ 1/NRe Np ∝ √NRe Np ∝ NRe Np → constant Np ∝ 1/NRe ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ are used for the separation of coarse particles from a slurry of fine particles. Hydrocyclones Classifiers Thickeners Decanters Hydrocyclones Classifiers Thickeners Decanters ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Tube mill compared to ball mill Produces finer products Uses smaller balls All of these Is long in comparison with its diameter Produces finer products Uses smaller balls All of these Is long in comparison with its diameter ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vacuum filter is most suitable for the Removal of fines from liquid None of these Liquids having high vapour pressure Liquids of very high viscosity Removal of fines from liquid None of these Liquids having high vapour pressure Liquids of very high viscosity ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Reciprocating screens are normally inclined at an angle of 5° with the horizontal and employ gyratory motion at feed end & reciprocating motion at the discharge end. They are not suitable for the screening of the Dry chemicals Heavy tonnages of rocks or gravel Powdered food & granular materials Light metal powder down upto 4 meshsize Dry chemicals Heavy tonnages of rocks or gravel Powdered food & granular materials Light metal powder down upto 4 meshsize ANSWER DOWNLOAD EXAMIANS APP
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