A cyclone is having width of 20cm, length of 30cm and diameter 0.75m. Number of effective turns in the cyclone is 10. Polluted air sample (density-1.5 kg/m 3 ) is passed through this cyclone at 15m/s. Pollutants in this sample have average particle size of 8m and density of 1.5g/cc. Air is at 25C and its viscosity is 0.8kg/m.h. Assume constant " K " as 13 . Determine (i) cut point diameter (whole numbers in m ), (ii) separation factor (in whole numbers) and (iii) the pressure drop (nearest whole number in Pa ) of the cyclone. (iv) Explain why this cyclone is highly efficient. {3+3+3+1=10]