Mechanical Operations Highly viscous liquids & pastes are agitated by Multiple blade paddles None of these Turbine agitators Propellers Multiple blade paddles None of these Turbine agitators Propellers ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The optimum moisture content in solids to be crushed/ground ranges from __________ percent. 3 to 4 15 to 20 8 to 10 10 to 15 3 to 4 15 to 20 8 to 10 10 to 15 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Production rate __________ with increased fineness, with a given energy input to the size reduction machine. Increases Remains unchanged May increase or decrease; depends on the machine Decreases Increases Remains unchanged May increase or decrease; depends on the machine Decreases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A tube mill compared to a ball mill Produces a coarser product Uses much larger balls Has a higher diameter/length ratio Has a higher length/diameter ratio Produces a coarser product Uses much larger balls Has a higher diameter/length ratio Has a higher length/diameter ratio ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size reduction of the __________ can be suitably done by ball mills, crushing rolls and rod mills. Basic slags Metalliferrous ores Asbestos & mica Non-metallic ores Basic slags Metalliferrous ores Asbestos & mica Non-metallic ores ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Solid particles separation based on the difference in their flow velocities through fluids is termed as the Elutriation Clarification Classification Sedimentation Elutriation Clarification Classification Sedimentation ANSWER DOWNLOAD EXAMIANS APP