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An industrial wastewater is discharged into a river about 0.5 km downstream from an outfall (discharge) coming from a desalination plant. Upstream of the desalination plant's outfall the river has a flow of 17.8 m3/sec and a total dissolved solids (TDS) concentration of 260 ppm. The water coming from the desalination plant's outfall flows into the river at a rate of 1800 L/sec and has a TDS concentration of 4,450 ppm. The industrial wastewater discharge has a flow of 5.0 m3/sec and a TDS concentration of 860 ppm
a) Calculate the flow in the river just downstream of the desalination plant's outfall (m3/sec).
b) Calculate the flow in the river just downstream of the industrial wastewater discharge (m3/sec). c) Calculate the TDS in the river just downstream of the desalination plant's discharge (ppm). d) Calculate the TDS in the river just downstream of the industrial wastewater discharge (ppm).
A moves downward a distance of 3.6 ft, and mass B moves a distance x. What is the value of x 2. Find the speed of mass B for a given speed of mass A The system is released from rest and mass A moves downward at a constant speed of 8.0 ft/s.
How appropriate might a just in time inventory system be for a product such as roller skates?
The mean grade on a final examination was 72, and the standard deviation was 9. The top 10% of the students are to receive A's. What is the minimum grade a student must get in order to receive an A
The initial piezometric head in a confined aquifer has a thickness of 11.6 m is 85.7 m above sea level. A well with a radius of 0.5 m pumps at a constant rate of 1240 m3/day
When the air temperature is 25°C, the pressure gage reads 210 kPa. If the volume of the tire is 0.025 m3, determine the pressure rise in the tire when the air temperature in the tire rises to 50°C.
A water of 20 c temprature pupped at 75 kpa to a perforated pipe 5 cm dia. contain 10 hole with the same diameter. the distance between two adjacent hole is 20 cm. what is the discharge of each hole?
Soil is excavated from a borrow to construct an embankment with a net volume of 50,000 cy. This is performed by compacting 12-in layers of the soil to a dry weight of 110 pcf at a moisture content of 18%.
The shaft diameter is 100 mm. Calculate the largest principal stresses and maximum shear stress that will occur in the shaft.
The 5-m long cantilever beam using a W410 x 67 standard wide flange section has a distributed load of 1200 N/m placed on it. It is also supported by a cable at B, of length 2 m with a 7 mm2 cross sectional area. What is the force in the wire
FeCl3 is added to remove excess phosphate. The following reactions occur (the charges are in parentheses): FeCl3 -> Fe(3+) + 3Cl(-) Fe(3+) + PO4(3-) -> FePO4 The equilibrium constant for the second reaction is 10^26.4.
The volume and the average density of an irregularly shaped body are to be determined by using a spring scale. The body weighs 7200 N in air and 4790N in water. Determine the volume and density of the body.
The crane hoists a uniformly distributed load C. the two identical motors at A an power through gearboxes operating at maximum output speed of 100 rpm.the load is lifted by winding cable onto spindles attached to the output shaft of each gear box. Th..
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