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A spherical tank has a circular orifice in its bottom throughwhich the liquid flows out. The flow rate through the holecan be estimated by : Q=C*A*sqrt(2*g*h)
C=orifice coefficient=.55
A=orifice surface area
g=gravitational constant=9.81
h=height of water
How long will it take for the water to flow out of the 3 mdiameter tank with an initial height of 2.75 m. Note that theorifice has a diameter of 3cm
the hypothetical velocity distribution in a horizontal rectangular open channel is v0.3y msnbspwhere v is the velocity
The piezometer A is located 4,000 ft south of piezometer B. Approximately 3,000 ft of piezometer B there is a river with an elevation relative to sea level of about 455 ft.
The BOD5 of the influent wastewater is 150 mg/L and the first-order reaction rate for the degradation of BOD5 is 0.6/hr at 20°C. If the required effluent BOD5 is 20mg/L
The pulleys attached to the shaft are loaded as shown. If the bearings at A and B exert only horizontal and vertical forces on the shaft, determine the required diameter of the shaft to the nearest 1/8 in. using the maximum-shear-stress theory of fa..
A completely mixed continous bioreactor used for growing oenicilin operates at a zero orer system. The input glucose is converted into various organic yeats. the flow rate ti this system is 20 liters per minute and the conversin rate is 4 mg/(min-..
The density of oil is 0.7 g/cc, the density of water is 1.0 g/cc, the radius of capilary is 0.008 cm, the contact angle through water is 58, the interfacial tension is 50 dynes/cm. Calculate the height in cm
use zero through forth order taylor series expansions to predict f(2.5) for f(x) = ln x using a base point at x=1. compute the true percent relative error for each approximation. discuss the meaning of the results.
You are asked to design a pump station to conveywaste water at a flow rate of 250 cubic meters per hour to anequalization tank. A velocity of at least 3ft/s must be maintained in the pipe to prevent deposition and provide scouring of any previously d..
Assuming that carbonate species dominate the acid/base behavior of boh solutions and that no gas transfer occurs when they are mixed, determine the alkalinity and pH of the mixture.
A car collided with a telephone pole and left 20 ft skid marks on the dry pavement. Based on the damages sustained, an engineer estimated that the speed at collision was 15 mph. If the roadway had a +3% grade, calculate the speed of the car at the..
a line was measured five times, the readings were: 100.08, 100.51, 100.32, 100.16, 100.22. what is the error. What is the most probable length.
A rectangular brickwork channel with width 20 ft laid on a slope 10ft/mi. What is the flow depth if the flowrate is 300vft^3/s
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