Engineering, 02.02.2021 01:20, willisanthony7815
A cylindrical specimen of steel has an original diameter of 12.8 mm. It is tested in tension its engineering fracture strength is found to be 460 MPa. If the cross-sectional diameter at fracture is 10.7 mm, determine (max. pts. 8): a. The ductility in terms of percent reduction in area b. The true stress at fracture
Answers: 3
Engineering, 04.07.2019 19:10, santosbeti90
With increases in magnification, which of the following occur? a. the field of view decreases. b. the ambient illumination decreases. c. the larger parts can be measured. d. the eyepiece must be raised.
Answers: 1
Engineering, 06.07.2019 04:20, smokemicpot
Assume that you are asked to perform a boring operation on a large-diameter hollow workpiece. would you use a horizontal or a vertical boring mill?
Answers: 3
Engineering, 06.07.2019 04:30, hallynwright9722
At steady state, air enters an insulated duct of varying cross-sectional area (similar to a nozzle or diffuser) at 200 kpa, 52°c with a mass flow rate of 0.5 kg/s. at the duct exit, the pressure of the air is 100 kpa, the velocity is 255 m/s, and the cross-sectional area is 2 x 10-3 m^2. assuming an ideal gas model, determine: a)-find the specific volume of the air at the exit, in m3/kg. b)- the temperature of the air at the exit, in k. c)-the velocity of the air at the inlet, in m/s. d)-the inlet cross-sectional area, in m^2.
Answers: 1
A cylindrical specimen of steel has an original diameter of 12.8 mm. It is tested in tension its eng...
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