Mechanical Operations For removal of very small amounts of precipitate from large volume of water, the most suitable filter is the __________ filter. Plate & frame Rotary vacuum Sand Shell & leaf Plate & frame Rotary vacuum Sand Shell & leaf ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Horsepower required for a roll crusher is directly proportional to its Neither A nor B Capacity Both A & B Reduction ratio Neither A nor B Capacity Both A & B Reduction ratio 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 Sphericity for a non-spherical particle is given by (where, V and S are volume and surface area respectively of one particle. and, D = equivalent diameter of particle). V/6D.S 6.V/D.S S/V V/D.S V/6D.S 6.V/D.S S/V V/D.S ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations In a mixer, the quantity, (v. L/D) is termed as __________ number(where, v = longitudinal velocity of material, L = length of the mixer, D = diffusivity in axial mixing). Weber Brinkman Peclet Schmidt Weber Brinkman Peclet Schmidt ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The controlling resistance in a rotary drum vacuum filter is the __________ resistance. None of these Cake Piping Filter medium None of these Cake Piping Filter medium ANSWER DOWNLOAD EXAMIANS APP
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