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a chemical is added at the beginning of a water treatment plant at a dose of 750 lbday the water treatment plant
1water leaves a reservoir at 005 m3s through a 200-mm riveted steel pipeline that protrudes into the reservoir and then
a tension specimen has a gauge length of 8 inches and a diameter of 505 inches a load of 9580 pounds was found to
a gas stream contains 180 mole hexane and the remainder nitrogen the stream flows to a condenser where its temperature
ecocity has two potential sources of water supply groundwater and a small river fed by a mountain spring the river
1what is the velocity of the blocks 500 after the blocks have started moving assume that the rope joining the two
three stock car drivers are racing around a circular bend they are each circling the bend at different radii r1249 m
1determine the minimum height on the wall to which the firefighter can project water from the hose so that the water
an engineer uses a standard technique for measuring the thickness of a clay landfill liner that has a typical standard
1an aquifer has the following properties k00001 cms hydraulic gradient012 cross-sectional area10000 ft2 porosity030
1a bridge has cylindrical piers 1 m in diameter and spaced 15 m apart downstream of the bridge where the flow
1consider a rectangular wastewater treatment cell having a length of 100ft width of 20ft and depth of 20ft if the flow
1a cylindrical rod with a length of 380 mm and a diameter of 10 mm is to be subjected to a tensile load the rod must
in 1800 an undeveloped country had a population of 10 million with birth and death rates of 60 and 52 per thousand per
1given in 1975 the population of a country was 12 million people in 2000 the population of the same country was 164
1a 48-in water main carries 79 cfs and branches into two pipes at point a the branching pipes are 36 and 20 in in
a home washing machine removes grease and dirt from clothes in a first-order process in which 12 of the grease on the
1given simply supported beam with an overhang the beam is 12 inches wide by 24 inches deep and the slab is 6 inches
over a long period total phosphorus tp has been discharged to a lake through sewage and surface water runoff at a rate
1select a pump to be used to supply water to a reservoir at a flow rate of 30 lsec the elevation head is 20 m and the
the recommended threshhold limit value tlv-acgih air concentration for occupational exposure to water-insoluble
a motorcyclist travels around a curved path that has a radius of 200 while traveling around the curved path the
1determine the elastic and plastic section modulus of the i-beam the axis runs through the center of the beam on both x
1compute the atomic packing factor for the diamond cubic crystal structure assume that bonding atoms touch one another
a spring ab of constant k is attached to a support a and to a collar of mass m the undeformed length of the spring is l