Mechanical Operations The value of work index does not change materially from one equipment to another. If the value of work index determined for close circuit grinding is Wi, then the same for open circuit grinding will be 0.5 Wi Wi 3.34 Wi 1.34 Wi 0.5 Wi Wi 3.34 Wi 1.34 Wi ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The sphericity of a cylinder of 1 mm diameter and length 3 mm is 0.5 0.6 0.9 0.78 0.5 0.6 0.9 0.78 ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Helical screw agitator is used for Mixing liquids at very high temperature (> 250 °C) Mixing highly viscous pastes Blending immiscible liquids None of these Mixing liquids at very high temperature (> 250 °C) Mixing highly viscous pastes Blending immiscible liquids None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations increasing the capacity of a screen __________ the screen effectiveness. Does not effect Increases Decreases None of these Does not effect Increases Decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations __________ is the most suitable for compounding rubber and plastic solids. Pug mill Banbery mixer Pan mixer Charge can mixer Pug mill Banbery mixer Pan mixer Charge can mixer ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Tube mill compared to ball mill Produces finer products Is long in comparison with its diameter All of these Uses smaller balls Produces finer products Is long in comparison with its diameter All of these Uses smaller balls ANSWER DOWNLOAD EXAMIANS APP
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