Mechanical Operations During agitation of liquids, the Froude number is independent for the curves between power number and Reynolds number in baffled system Power number becomes independent of impellers Reynolds number at high Reynolds number, but is dependent on the geometry of the impeller Froude number is used to account for the effect of surface (e.g., the centre vortex) on the power number All of these Froude number is independent for the curves between power number and Reynolds number in baffled system Power number becomes independent of impellers Reynolds number at high Reynolds number, but is dependent on the geometry of the impeller Froude number is used to account for the effect of surface (e.g., the centre vortex) on the power number All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a roll crusher, the specific power consumption and the production rate is affected by the Reduction ratio Neither A nor B Differential roll speed Both A & B Reduction ratio Neither A nor B Differential roll speed Both A & B ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Separation of solid suspended in liquid into a supernatant clear liquid and a denser slurry employs a process termed as the Clarification Coagulation Sedimentation Flocculation Clarification Coagulation Sedimentation Flocculation ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations With increase in drum speed, in a rotary drum filter, the filtration rate Is not affected Increases linearly Decreases Increases Is not affected Increases linearly Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Highly viscous liquids & pastes are agitated by Propellers None of these Turbine agitators Multiple blade paddles Propellers None of these Turbine agitators Multiple blade paddles ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For benefication of iron ore, the most commonly used method is Froth floatation Flocculation None of these Jigging & tabling Froth floatation Flocculation None of these Jigging & tabling ANSWER DOWNLOAD EXAMIANS APP
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