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1.Two steel rods with fixed supports at A and C are attached by a rigid flange at point B and a downward load of 120 kN is applied to the flange. The upper rod has a cross section of 800 mm^2 and the lower rod has a cross section fo 1,600 mm^2. If the modulus of elasticity is 200 GPa determine the normal stress in each rod. Show all work.
2.The bent road has an E=200 GPa, G=75 GPa, and a radius of 30 mm. Use Castigliano's theorem and determine the vertical deflection at C. Include the effects of bending, shear, and torsional strain energy.
3.Compute departures, latitudes, linear misclosure, and relative precision for the traverse: azimuth AB is fixed at 74degrees31'17''. A=105deg13'14" B=92deg36'06" C=67deg15'22" D=217deg24'30" E=57deg30'38"(line BC bears NW). The lengths of the sides (in feet) are as follows:
AB=2157.34;BC=1722.58;CD=1318.1
A two-bed carbon adsorption system is to be designed to handle 8000 acfm of air containing 700 ppm of hexane. Laboratory studies indicate that carbon can adsorb 8lb hexane per 100 lb carbon under the conditions at which the system will be operated.
A stream of water of cross-section area A and velocity v1 strikes a plate which moves to the right with a velocity V. Determine the magnitude of V, knowing that A 5 600 mm2, v1 5 30 m/s and P 5 400 N.
A bus line 4 miles long runs through an area with 1/6 acre lots,3.5 people per household, average 1 car per household. People will walk up to 1/6 mile to a bus stop, so stops are located 1/3 mileapart along the route.
determine the practical moment strength phi x Msubn for a rectangular reinforced concrete cross section having a width (b of 13 in.) and an effective depth (d of 24 in.) The tension reinforcing steel is four no# 8 bars.
Estimate the median and 90th percentile load of SS contained in the runoff. Note: COV = coefficient of variance
An old occupational hygiene rule of thumb is that a 10 micrometer (micron) silica particle settles at a rare of 1 ft/min (0.5 cm/s). What is the true settling velocity for such a particle? The density of silica is 2600 kg/cubic meter (2.6 g/cubic ..
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
a ferric chloride dosage of 40 mg/l and an equivalent dosage of lime are used to coagulate a water. (a) how many pounds of ferric chloride per million gallons are used
A canal was constructed running parallel to a river 1500 ft away. Both fully penetrate a sand aquifer with a hydraulic conductivity of 1.2 ft/d. The area is subject to rainfall of 1.8 ft/y and evaporation of 1.3 ft/y.
The block has a mass of 150 kg and rests on a surface for which the coefficients of static and kinetic friction are 0.5 and 0.4, respectively. If a force F = (60t^2) N, where t is in seconds, is applied to the cable, determine the power developed ..
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.
manufacturing process that unintentionally introduces cracks to the surface of a part was used to produce load-bearing components. The design requires that the component be able to withstand a stress of 450 MPa.
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