Mechanical Operations Mixing mechanism employed in a pan mixer is by Dispersion None of these Kneading Mulling Dispersion None of these Kneading Mulling ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size measurement of ultrafine particles can be best expressed in terms of Screen size Surface area per unit mass Centimetre Micron Screen size Surface area per unit mass Centimetre Micron ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Two particles are called to be equal settling, if they are having the same. None of these Terminal velocities in the same fluid & in the same field of force Specific gravity Size None of these Terminal velocities in the same fluid & in the same field of force Specific gravity Size ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Vacuum is applied in __________ zone, in case of a general type continuous rotary drum vacuum filter. Drying Washing Filtering All of these Drying Washing Filtering All of these ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations A centrifugal filtration unit operating at a rotational speed of w has inner surface of the liquid (density ρL) located at a radial distance R from the axis of rotation. The thickness of the liquid film is δ and no cake is formed. The initial pressure drop during filtration is ½w² . δρL (2R + δ) ½w² . δ² . ρL ½w² . R . ρL(R + 2δ) ½w² . R² . ρL ½w² . δρL (2R + δ) ½w² . δ² . ρL ½w² . R . ρL(R + 2δ) ½w² . R² . ρL ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Height of liquid in agitation tank is normally maintained equal to the tank diameter. However, if the tank is too tall and a large liquid hold up is desired, then two or more impellers mounted on the same shaft may be used. The clearance between the tank bottom and the bottom most impeller should be about (where, D = impeller diameter) 0.5 D 1.5 D 2 D D 0.5 D 1.5 D 2 D D ANSWER DOWNLOAD EXAMIANS APP