Engineering, 27.03.2020 00:01 Thejollyhellhound20
A large plate is fabricated from a steel alloy that has a plane strain fracture toughness of 55 MPa(m)1/2 If, during service use, the plate is exposed to a tensile stress of 200 MPa (29,000 psi), determine the minimum length of a surface crack that will lead to fracture. Assume a value of 1.0 for Y.
Answers: 2
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During a steady flow process, the change of energy with respect to time is zero. a)- true b)- false
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Consider a large isothermal enclosure that is maintained at a uniform temperature of 2000 k. calculate the emissive power of the radiation that emerges from a small aperture on the enclosure surface. what is the wavelength ? , below which 10% of the emission is concentrated? what is the wavelength ? 2 above which 10% of the emission is concentrated? determine the wavelength at which maximum spectral emissive power occurs. what is the irradiation incident on a small object placed inside the enclosure?
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Engineering, 04.07.2019 18:10
Calculate the bore of a cylinder that has a stroke of 18 inches and an extension time of 6 seconds at a flow rate of 4 gal/min.
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A large plate is fabricated from a steel alloy that has a plane strain fracture toughness of 55 MPa(...
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