Mechanical Operations Separation of solid particles based on their densities is called Dispersion Sizing Clarification Sorting Dispersion Sizing Clarification Sorting 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) 2 D 0.5 D D 1.5 D 2 D 0.5 D D 1.5 D ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations The most common filter aid is Calcium silicate Diatomaceous earth Sodium carbonate Silica gel Calcium silicate Diatomaceous earth Sodium carbonate Silica gel ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Size measurement of ultrafine particles can be best expressed in terms of Micron Screen size Centimetre Surface area per unit mass Micron Screen size Centimetre Surface area per unit mass ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations For grinding of cereals, grains, spices, pigments, saw dust, cork etc., the most extensively used size reduction equipment is a Buhrstone mill Crushing rolls Ball mill Hammer mill Buhrstone mill Crushing rolls Ball mill Hammer mill ANSWER DOWNLOAD EXAMIANS APP
Mechanical Operations Dust collection efficiency of electrostatic precipitator can be as high as 99.9%. Maximum temperature and pressure of dust laden gas that can be cleaned in an electrostatic precipitator is respectively. 1000°C and 500 atm 500°C and 50 atm 200°C and 5 atm 1000°C and 10 atm 1000°C and 500 atm 500°C and 50 atm 200°C and 5 atm 1000°C and 10 atm ANSWER DOWNLOAD EXAMIANS APP
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