A seftling chamber is installed in a plant for removal of particulate matter Determine the overall collection efficiency of the settling chamber under the following operating conditions assuming laminar flow: [6] Chamber dimension: 11m (vength) 3m (width) 15m (height): Particle specific gravty. 27 Volumetric flow rate of contaminated air stream: 70m3/s Flue gas temperature and pressure: 90C and 1atm