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As the hollow steel (G = 77 GPa) shaft shown rotates at 180 rpm, a stroboscopic measurement indicates that the angle of twist of the shaft is 3°. Determine
(a) the power being transmitted(b) the maximum shearing stress in the shaft
Assuming that within metal crystals, the atoms can be considered as hard spheres in contact, sketch arrangement of atoms in a (100) plane, a (110) plane and a (111) plane of face-centered cubic structure. Determine the number of atoms contained wi..
what type of feedback data should we be collecting; in order to make sure that our MPS data, our MRP data, our Aggregate Planning, etc. are all correct?
refrigerant -134a at 800kPa and 25 C is throttled to a temperature of -20C. determine the pressure and the internal energy of the refrigerant at the final state.
How many engagement points on the flywheel would be necessary to make this machine safe? Show your work.
calculate the pressure drop through the tubes for each selection. Recommend a final design that specidies water-flow rate, tube size, number of tubes, and tube length. Comment on your selection.
Titanium in the BCC structure has a radius of 0.1423 nm.
Propane gas enters a continuous adiabatic heat exchanger' at 40°C and 250 kPa and exits at 240°C superheated steam at 300°C and 5.0 bar enters the exchanger flowing counter currently to the propane and exits as a saturated liquid at the same press..
A cylindrical specimen of this alloy 24 mm in diameter and 186 mm long is to be pulled in tension. Calculate the force necessary to cause a 0.0119 mm reduction in diameter. Assume a value of 0.33 for Poisson's ratio.
what is the effect of quenching on the transition temperature and toughness for the mild steel ?
Determine the reactions of simply supported beam to both a concentrated and uniform load. A beam with a span of 21 ft is simply supported at the left-hand end and fixed at the right-hand end.
Sketch the thermal circuit of the system. Label (using the above symbols) all pertinent nodes and resistances.
A steel cylinder with an internal radius of 50mm is designed to carry a maximum stress of 400 MPs. It is subjected to an internal pressure of 80 MPs.(i) Determine the required wall thickness.
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