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A rectangular tube has an outside dimensions that are 2in wide and 4in deep and a wall thickness of 0.25in. The tube is acted on by a bending moment of 12,000lb-in.
A.)Determine the maximum tensile and compressive bending stresses.
B.) the bending stress 0.25in from the bottom of the tube
Determine the activated sludge aeration volume required to treat 2.64 mgd with a BOD of 120 mg/l based on the criteria of a maximum BOD loading of 40 lb/1000 ft cubed/day and a minimum aeration period of 5 hr.
the average values of the test results at four different test temperatires were found to be 10ft.lb -(-50 F) 15 ft.lb- 0F 40 ft.lb- 40F 60 ft.lb-100 F the bridge will be located ina region where specifications require minimum of 25 ft.
If it absorbs 100 Joules each cycle from the hot reservoir, how much work does it do. How much heat is given off in each cycle If each cycle takes 0.5 seconds, find the power output of the engine.
assume that the whole twisting moment is taken by the bone. If the humerus can withstand a shear stress Tmax=70.0 MPa, determine the maximum force the hand can apply without fracturing the humerus. The length of the forearm is 360 mm.
A runs slope a distance of 156.777 m from one point to another point at a rate of +1.5%. What is the corresponding horizontal distance between the points?
The owners wish to achieve an initial acceleration from rest of 22 ft/(sec^2) on a level paved surface. What is the minimum coefficient of road adhesion needed to achieve this acceleration
The compound bar carries the axial forces P and 2P. Find the maximum allowable value of P if the working stresses are 40 ksi for steel and 20 ksi for aluminum, and the total elongation of the bar is not to exceed 0.2 in.
An earth embankment is compacted at water contect of 17% to a bulk density of 1.90 gm/cc.If the specific gravity of soil grains is 2.65, then what will be the degree of saturation of the compacted embankment
A wire is kept at ambient temperature while it is stretched by 200 mm by a force which rises from zero to 1.5 kN, the extension of the wire being directly proportional to the force applied. What is the work done by the wire
Determine the strain components strainx, Strainy, and gammaxy, then sketch the deformed shape in the xy orientation, paying particular attention to the sign of the shear deformation.
A saturated clay deposit is vane-tested in-situ. A torque of 30Nm is required to shear the clat. The vane is 40mm wide by 100mm long. What is the undrained shear strength of the clat in kPa
Write an M-file to calculate the factorial function of N!, as defined by: N!=1 N=0 N!=N*(N-1)*(N-2)*...*3*2*1 N>0 The MATLAB code to calculate N factorial for positive value of N would be n_factorial=1
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