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1. Would you expect the fracture toughness of quenched and tempered aluminum bronze to be high or low? Would there be a di¤erence in the resistance of the alloy to crack nucleation compared with crack growth? Explain.
2. Based on the photomicrograph in Figure 14-8(a), would you expect the γ0 precipitate or the carbides to provide a greater strengthening effect in superalloys at low temperatures? Explain.
Hot combustion gases enter the nozzle of a turbojet engine at 260 kPa, 747°C, and 80 m/s, and they exit at a pressure of 85 kPa. Assuming an isentropic efficiency of 92 perc
Determine the force in the hydraulic cylinder AB and the magnitude of the pin reaction at O for the position shown. The bucket and its load have a combined weight of 4000 lb
Three return steam lines in a chemical processing plant enter a collection tank operating at steady state at 1 bar. Steam enters inlet 1 with flow rate of 0.8 kg/s at 200 C. S
Initially P is at the point x = 20 m and is moving with speed 15 m s-1 in the negative xdirection.- Find the velocity and displacement of P at time t. Find when P comes to res
A turbine is supplied with 0.6 m3 /s of water from a 0.3 m diameter pipe. The discharge pipe is 0.4 m in diameter. Determine the pressure drop across the turbine if it deliver
A thermopile is constructed of chromel-constantan wire with 15 junction pairs. What will be the voltage output from the thermopile if one set of junction is exposed to an ic
The wearing parts of a coal mining machine are made of hardened tool steel, but are rarely, if ever, lubricated. The left and right wear plates for a typical tracked vehicle m
Write a report to explain the experiment ,show the data collected, and discu Measure the diameter of the provided 30 buttons (use mm). o Follow the instructions presented in c
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