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A pressure vessel is constructed with a diameter of d = 18 and a length of L = 6. The vessel is to be capable of withstanding an internal pressure of p = 1000 psi, and the wall thickness is such as to keep the nominal hoop stress under 2500 psi. However, the vessel bursts at an internal pressure of only 500 psi, and a micrographic investigation reveals the fracture to have been initiated by an internal crack 0.1 in length. Calculate the fracture toughness (KIc) of the material.
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steam enters a well insulated nozzle operating at steady state at 1000of and 500lbfin2 and velocity 10fts. at the
Follow a systematic approach to solving engineering design problems-Identify the steps to be followed to move from problem to desired solution(s)
You are a process engineer at ZMD. One of your main responsibilities is to identify areas of opportunities for quality improvement. Recently, you have been researching alternative brands to the primer paint currently used.
the wing area of the lockheed f-104 straight-wing supersonic fighter airplane is approximately 210 ft2. the weight of
A design engineer is considering a structural change that will increase the tensile load on this member. What is the maximum tensile load that can be permitted without producing extensive plastic deformation of the bar? Give your answers in both newt..
If the maximum allowable stress in the cortical shell is 15 MPa, determine what interference fit between the stem and the cortical shell should be given?
Calculate the percentage Ca and percentage Ba in the sample.
Determine the formula of the complex. Use linear least-squares to analyze the data.
The pilot of an airplane reads the altitude 3000 m and the absolute pressure 58 kPa when flying over a city. Calculate the local atmospheric pressure in that city in kPa and in mm Hg.
Briefly discuss the operation of a microprocessor-controlled stepper motor. How would it differ from the standard setup in which a "preset indexer" is employed? Compare and contrast table lookup, programmed stepping, and hardware stepping methods ..
A rigid tank contains 1.5 kg of water at 120°C and 500 kPa. Now 22 kJ of shaft work is done on the system and the final temperature in the tank is 95°C. If the entropy change of water is zero and the surroundings are at 15°C, determine
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