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A plug-flow reactor has a conversion of A of 90%, and the reaction is first order. If a dispersed plug-flow reactor has the same volume and has a dispersion number, D/vL of 1.0, what will be the percent conversion?
Given that uniform flow is subcrital and there is a weir in a rectangular channel, how do you determine what the weir height should be to force the flow to be critical. Draw this transition on a specific energy curve.
Determine the highest BODu concentration possible in the effluent which can still achieve the permitted requirement of a DO greater than 5 mg/L year round.H =4 m (assume no change due to wastewater flow)
Determine largest load P that can be applied without any cable exceeding its yield strength. Bar length in 10 ft with aluminum directly in the center and steel cables 5 feet on either side. Steel cable lengths are 8 ft and aluminum cable is 10 ft...
Determine the coefficient of thermal expansion (in m/m.K) for the material over the temperature ranges - Determine i. the phases present
A tape is calibrated and found to measure 100.04ft between the 0- and 100-ft marks. What measurements should be laid out to establish a horizontal distance of 682.25ft?
Determine the effective size as well as the uniformity coefficient and coefficient of curvature for each soil. Determine also the percentages of gravel, sand, silt, and clay according to (a) ASTM, (b) AASHTO, (c)USCS, and (d) the British Standard.
(a) Calculate the annual costs ($/yr) of meeting the proposed effluent requirement of 0.1 mg P/L using alum to precipitate AlPO4(s). Assume the chemical formula for alum is Al2(SO4)3·18H2O (MW = 666).
he oxygen is compressed from 95 kPa, 20 C to 300 kPa, isothermally. Determine the heat transfer assuming (a) the process is reversible, (b) the process is irreversible such that 20% more work is required than the reversible case.
It is known that a horizontal curve starts (has PC) 90m before the vertical curve's PVC. If the superelevation of the horizontal curve is .08 and the central angle is 38 degrees what is the station of the PT
The flowrate (q) per unit lenght (ft^2/s) over the spillway shown below is a fuction of the upstream heah H, the acceleration due to gravity g, and the spillway height P.
A 45 W electric mixer is operated for 5 minutes while mixing a 2 kg shake. Assume Csubv=4200 J/kg-K for the liquid. Determine the temperature rise (in degrees C) of the milk shake.
The bar is fixed at B (length=2a) with a pin support at A (length L=0). Additionally, at A is a torsion spring (spring constant Ca = EI/a) and an extension spring is attached at B (spring constant Cb = EI/(a^3)).
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