A two-stage cyclone (i.e., two cyclones in series) is designed to remove particulate matter from the exhaust gas stream. The fractional collection efficiencies of each cyclone are listed in the table below. If the particle size distribution is log-normal with a geometric mean diameter of 10 μm and geometric standard deviation of 2.0, what is the overall collection efficiency of the two-stage cyclone (two cyclones in series). Size range, um Collection efficiency, % <5 12 5-10 56 10-20 83 >20 90

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Sediment transport

Sediment transport or Soil transport is the movement of solid particles, usually due to the combination of gravitational forces acting on the sediment, and the movement of the liquid at which the sediment enters. Soil erosion occurs in natural systems where the particles are sandstones (sand, rocks), mud, or clay; the liquid is air, water, or ice; and the gravitational force that works to move particles to the landing surface. Sediment transportation or soil migration due to the movement of liquids occurs in rivers, lakes, lakes, oceans, and other bodies of water as a result of currents and waves. Transportation is also caused by glaciers as they flow, and to places on earth under the influence of wind. Soil erosion due to gravity alone is possible in most sloping areas, including hills, scarves, cliffs, and the continental shelf — the continental boundary of the slope.