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Determine the relationship which governs the velocities of the two cylinders A and B. Express all velocities as positive down. How many degrees of freedom are present?
Beginning whith the 1-D, steady state, general mass(volume) balance equation Qin-Qout=0 derive the 1-D poisson equation.
A cubic shape tank has the dimensions of 10 m by 10 m by 20 m tall. Calculate the volume of he tank in gallons
AN L76X76X12.7 angle- section is used as cantilever column of length L. Find the maximum allowable value of L if the column is not to buckle when the 12kN axial load is applied . assume E= 200Gpa.
The pressure at the entrance of the system must be at least 75 psi and the demand is 1350 GPM. The pipe material is to be riveted steel and the length of pipe is 5,000 feet. What size pipe should be used
A Single clean layer of sand in a rapid-sand filter has an average grains size of 20X40 US. Mesh, porosity go 0.4, sand specific gravity of 2.65, and shape factor of 0.85. The absolute viscosity and density of water are 1.4X10^-3 Pa-s and 998 kg/m^3,..
Deisgn a thrust block needed to resist the force generated by a 45 degree flanged regular elbow which carries a flow of 14 cfs. The diameter of the fitting narrows from 24 inches to 18 inches and the inlet pressure is 100 psi.
a tower is surrounded by a wall that is 10 m high and 30 m away from the base of the tower. compute the length of the shortest ladder that can stand outside the wall and lean against the tower.
A rectangular concrete beam of width b = 24 inches is limited by architectual considerations to a maximum total depth of h = 16 inches. it must carry a total factored load moment of Mu = 400 ft-kips. Design the flexural reinforcement for this member,..
Base course aggregate has a target dry density of 119.7 lb/cu ft in place. It will be laid down and compacted in a rectangular street repair area of 2000 ft*48ft*6in. the aggregate in the stockpile contains
An air-water vapor mixture at 0.1 MPa, 35 C and 70% relative humidity occupies a volume of 100 m^3 Determine the humidity ratio, the dew point, the mass of dry air in the volume and the mass of water vapor in the volume.
North City must choose between two new snow-removal machines. The SuperBlower has a $70,000 first cost, a 20 year life, and an $8000 salvage value. At the end of 9 years , it will need a major overhaul costing $19,000.
A wide rectangular channel has a change of slope from 1 in 100 to 1 in 500 and the flow is 4m3/s/m. Manning's n can be taken as 0.015 Determine the normal depth of flow before and after the change in gradient.
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