Mechanical Operations Paddle agitator None of these Is suitable for mixing low viscosity liquids Produces axial flow Moves at very high speed None of these Is suitable for mixing low viscosity liquids Produces axial flow Moves at very high speed ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Washability curve based on float and sink test enables an assessment to be made of the possibility of cleaning a coal fraction based on the Size Density separation Volatile matter content Differential wettability Size Density separation Volatile matter content Differential wettability ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Which one is a filter aid? None of these Diatomaceous earth Convas fabric Calcined lime None of these Diatomaceous earth Convas fabric Calcined lime ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Actual operating speed of a ball mill may vary from 65 to 80% of the critical speed. Which of the following duties would require the ball mill to be operated at maximum percentage of critical speed? Wet grinding in high viscous suspension Dry grinding of large particles (upto 1.25 cms) Wet grinding in low viscous suspension Dry grindng of large particles in un-baffed mills Wet grinding in high viscous suspension Dry grinding of large particles (upto 1.25 cms) Wet grinding in low viscous suspension Dry grindng of large particles in un-baffed mills ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Gravity settling process is not involved in the working of a Classifier Sedimentation tank Dorr-thickener Hydrocyclone Classifier Sedimentation tank Dorr-thickener Hydrocyclone ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations With increase in drum speed, in a rotary drum filter, the filtration rate Increases Is not affected Decreases Increases linearly Increases Is not affected Decreases Increases linearly ANSWER DOWNLOAD EXAMIANS APP
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