Engineering, 27.03.2020 03:14 carlinryan
A cylindrical specimen having an original diameter of 12.0 mm is tensile tested to fracture and found to have an engineering tensile strength of 428 MPa. If the cross-sectional diameter at fracture is 10.1 mm, determine the following: a) The ductility in terms of %RA.
Answers: 1
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Engineering, 04.07.2019 18:10
Items are similar to the free issue items, but their access is limited. (clo5) a)-bin stock items free issue b)-bin stock controlled issue c)-critical or insurance spares d)-rebuildable spares e)-consumables
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Engineering, 04.07.2019 18:20
Steam enters a converging nozzle at 3.0 mpa and 500°c with a at 1.8 mpa. for a nozzle exit area of 32 cm2, determine the exit velocity, mass flow rate, and exit mach number if the nozzle: negligible velocity, and it exits (a) is isentropic (b) has an efficiency of 94 percent
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Engineering, 04.07.2019 19:20
In the winter, in order to keep the classroom steadily at 68 f before 10 pm, heating with an average rate of 42,000 btu/hr is provided. assume the outdoor temperature maintains at 32°f, determine the electrical power (kw) required to (a) operate a reversible heat pump (b) operate a real heat pump with a cop (7) of 4.5 and (c) operate an electrical-resistance heater.
Answers: 3
A cylindrical specimen having an original diameter of 12.0 mm is tensile tested to fracture and foun...
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