Mechanical Operations Production rate __________ with increased fineness, with a given energy input to the size reduction machine. Remains unchanged Decreases May increase or decrease; depends on the machine Increases Remains unchanged Decreases May increase or decrease; depends on the machine Increases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following mineral dressing operations is termed as 'comminution'? Spiralling None of these Tabling Panning Spiralling None of these Tabling Panning ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which of the following terminology is not used for size reduction of materials to fine sizes or powders? Pulverisation Dispersion Compression Comminution Pulverisation Dispersion Compression Comminution ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Close circuit grinding by a ball mill with air sweeping employs a Both A & B Neither A nor B Classifier Cyclone separator between mill & classifier Both A & B Neither A nor B Classifier Cyclone separator between mill & classifier ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Gelatinous solid (which plug the septum) can be filtered by a __________ filter. Plate and frame Vacuum leaf Precoat Sparkler Plate and frame Vacuum leaf Precoat Sparkler ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Ultra centrifuges are used for the separation of __________ solid particles. Dissolved Fine Colloidal Coarse Dissolved Fine Colloidal Coarse ANSWER DOWNLOAD EXAMIANS APP
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