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For the fully developed flow of water in a smooth 0.15-m pipe at a rate of 0:006m3/s, determine the thickness of a. the laminar sublayer; b. the buffer layer; c. the turbulent core.
Northern Tundra Telephone (NIT) has received a contract to install emergency phones along a new 100-mile section of the Snow-Moose Turnpike. Fifty emergency phone systems will be installed about 2 miles apart.
A contractor has both a 3-cy and a 5-cy shovel in the equipment fleet. Select the minimum-size shovel that will excavate 400,000 bcy of common earth in a minimum of 130 working days of 8 hr each.
What will the freeway's density and level of service be before and after the ban? (Assume that the trucks are removed and all other traffic attributes are unchanged)
Determine the liquid detention time, loading rate, F/M ration (with an MLSS of 2350 mg/l), sludge age (with 5330 lb/day waste sludge Eff. SS= 20 mg/l. Will the sludge settle properly
a) The maximum flow rate that can be achieved without cavitation occurring in the piping system. b) The maximum elevation of the highest point of the piping system to avoid cavitation.
Ball A is thrown vertically upward from the top of a 20-{\rm m}-high-building with an initial velocity of 3m/s . At the same instant another ball B is thrown upward from the ground with an initial velocity of 16m/s .
A permanent endowment at the University of Alabama is to award scholarships to engineering students. The awards are to be made beginning 5 years after the $10 million lump-sum donation is made.
hydraulic conductivity of soil is .009cm/sec at room tmeperature of 28*C. what would be the coefficient of permeability at 20*C
Two wooden members joined by a simple scarf splice and its diagram. The maximum allowable tensile stress in the splice is 75 psi. Determine the largest load P that can be supported and the corresponding shearing stress in the splice.
A sprinkler system uses an outdoor reservoir at El 50. A fire pump moves Q = 3 ft^3/sec through a 1.0' dia pipe 300' long to an 8" dia main at El 200. To distribute water to sprinklers, a pressure head at the pipe junction hp =100' is required.
A box of mass M=500 kg hangs by a rope from a beam with dimensions a=2.0 m and b=3.0 m. The beam has mass m=85 kg. Find the tension T_c in the cable and the magnitude of the net force F exerted on the beam by the hinge.
Based on volume of a sphere V=4/3(pi)r^3, create a table of volume vs. radius allowing radius to vary from 2.0 to 10.0 cm in 1 cm increments. Graph the data from the table on log-log paper using radius as the independent variable.
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