Engineering, 30.05.2021 07:30 joseperez1224
Question 3
The yield strength and tensile strength of a steel bar are 376 kN/mm² and 427 kN/mm respectively. If
the steel bar has a diameter of 1.15 cm, what is the minimum force required for the material to plastic
deform under tension? Show your calculation clearly.
Answers: 2
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Adouble-strand no. 60 roller chain is used to transmit power between a 13-tooth driving sprocket rotating at 300 rev/min and a 52-tooth driven sprocket. a) what is the allowable horsepower of this drive? b) estimate the center-to-center distance if the chain length is 82 pitches. c) estimate the torque and bending force on the driving shaft by the chain if the actual horsepower transmitted is 30 percent less than the corrected (allowable) power.
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The higher the astm grain-size number, the coarser the grain is. a)-true b)-false
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Carbon dioxide gas expands isotherm a turbine from 1 mpa, 500 k at 200 kpa. assuming the ideal gas model and neglecting the kinetic and potential energies, determine the change in entropy, heat transfer and work for each kilogram of co2.
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Engineering, 04.07.2019 18:10
Courses that are developed by subject matter experts, internal or extemal to the college or university. these programs are marketed by the school (clo2) marks a)-vocational schools b)-vendor training c)-colleges & universities d)-continuing education programs
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Question 3
The yield strength and tensile strength of a steel bar are 376 kN/mm² and 427 kN/mm resp...
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