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The transition at the cross sections of the step in ductile shaft has a radius of 3 mm. Yield strength is 80 MPa, ultimate strength is 150 MPa.
a. Determine maximum in plane shear stress in the shaft.
b. Determine, using maximum distortion energy theory, if shaft will fail.
If the gulf stream flows north from Mexico at 2 m/s on average, howwould I find the average slope of the Atlantic Ocean across the 45degree N latitude near the Eastern Seaboard of the US?
The pipes holding the boards were placed 10 ft apart across the dam. There were 20 pipes and each one was designed to fail under a bending moment of 1625 ft-lb how deep will the water be on the flash boards when failure occurs
Calculate the largest tolerable internal crack length for a 7075-T651 aluminum alloy component that is loaded to a stress one-half of its yield strength without catastrophic fracture. For the alloy, the plane strain fracture toughness is 24 and yi..
Such that E(total) has units of Joules. Assume that kinetic energy = 1/2mv^2, potential energy = mgh, thermal energy = number, magical energy = ObamaCoef*volume*pressure.
The concentration of ammonia is 6 mg/L at one point in the river. If the first – order decay coefficient for the conversion of ammonia to nitrate is 0.05 day-1, what will the ammonia concentration be 10 miles downstream.
A single screw extruder is being used to process pregelatinized starch. The screw dimensions are as follows: channel width 3 cm, channel height 0.5 cm and screw length 50 cm. The wall velocity is estimated to be 0.31 m/s.
A shell bursts on contact with the ground and pieces from it fly in all directions with velocities up to 49 metres per second. Show that a man 122.5 metres away is in danger for 5?2 second.
The company will use an annual interest rate of 10%. Annual maintenance and pumping costs may be considered to be paid in their entireties at the end of the years in which their costs are incurred.
Water flows i a 8-m-wide rectangular channel that has longitudinal slope of .0001. The channel has an equivalent sand roughness of 2mm. Calculate the uniform flow depth in the channel when the flow rate is 15m^3/s. Use the Darcey-Weisbach equation..
Show a clear, dimensioned FBD for the 2x10 rafters. For the 2x10 rafters calculate the peak moment in units of ft. lb. For the 4x10 roof beam, assume the 4x10 roof beam is pinned to the subsequent 10ft section over each of the interior 4x4 columns. N..
Determine the location e of the shear center, pt. O, for the thin-walled member having the cross section shown. The member segments have the same thickness t.
Design a concrete footing to support a 16in by 16 in column that is 13 feet high with f'c= 6000 psi. The footing has a f'c=3000psi. Assume the the footing base is 5 ft below the grade and the soil is 100 lb/ft with an allowable pressure of 4500lb/ft ..
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