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a scuba divers 2 cubic foot air tank is to be filled with air from a compressed air line at 120 psia and 100 degrees f
1a stream of water of cross-section area a and velocity v1 strikes a plate which moves to the right with a velocity v
a pre-sedimentation basin has been designed that reduces the river water suspended solids concentration from 500 to 200
the pressure vessel is a steel cylinder which is free to expand in radial direction but cant expand longitudinallyit
1find the length and width of a square basin for virus disinfection of a flow of 6 mgd you may assume a depth of 5 ft a
a water treatment plant is being designed for a flow of 16 m3s how many rapid sand filters using only sand as the
you have been hired by your local golf course as an environmental consultant to stop the rapid growth of algae in its
a 100-m reach of sewer is to have a minimum capacity of 200 ls the street elevation at the upper manhole is 30555 m and
1a time interval of 15 hours is recorded for a 6 inch drop of water level in a percolation perc test hole what is the
a horizontal het of water at 5 degrees celsius strikes a block and is deflected upward 30 degrees the mass flow rate of
a constant head permeameter has a sediment sample with a cross sectional area of 100 cm2 the sediment sample is 30 cm
a bankrupt chemical firm has been taken over by new management on the property they found a 20000 m3 brine pond
you measure an angle with a theodolite several times and record the following observations114deg 27rsquo 49rdquo114deg
oxygen flows without a gain or loss of heat through a horizontal pipe of constant cross section at section 1 the
a vehicle pulls out onto a single lane highway that has a flow rate of 280 vehh poisson distributed the driver of the
two equations govern the flow of runoff on a slope the first is the continuity equation conservation of mass and the
design a non-air-entrained concrete mix for a small job with a maximum gravel size of 34 show the results as followsa
1a rigid beam ab 12 feet in length with a point load of 9 kips 4 feet from a is resting on two short steel rods ac amp
1determine the maximum force p that can safely applied to a steel tee section 20 feet in length with the point loads at
it rains 30 in on a 200 acre watershed what is the volume of rainfall excess if 30 of the watershed area is a lake and
backriver wastewater treatment plant must disinfect its effluent before discharging the wasterwater onto backriver the
two remediation options are being considered for a contaminated land area formerly used for industrial operations
a well mixed sewage lagoon is to be constructed to process 100000 gallons per day of raw sewage the pollutant
1the acceleration of a particle along a straight line is defined by a2t-9ms2 where t is in seconds at t0 s1m and v10 ms