Engineering, 28.05.2020 21:07 LilLappyLOL
A soil element is subjected to a minor principle stress of 50 kPa on a plane rotated 20 ° counterclockwise from vertical. If the deviator stress is 120 kPa and the shear strength parameters are a friction angle of 30° and a cohesion of 5 kPa, determine the magnitude of the stresses on the failure plane and the orientation of this plane with respect to the major principle stress plane.
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Burgers vector is generally parallel to the dislocation line. a)-true b)-false
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Engineering, 04.07.2019 18:20
Ahe-xe mixture containing a 0.75 mole fraction of helium is used for cooling electronics in an avionics application. at a temperature of 300 k and atmospheric pressure, calculate the mass fraction of helium and the mass density, molar concentration and molecular weight of the mixture. if the cooling capacity is 10 l, what is the mass of the coolant?
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Engineering, 04.07.2019 19:10
In general, how do thermosetting plastics compare to thermoplastics in mechanical and physical properties?
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Engineering, 04.07.2019 19:10
The air in an automobile tire with a volume of 0.015 m3 is at 32°c and 140 kpa gage. determine the amount of air that must be added to raise the pressure to the recommended value of 206 kpa gage. assume the atmospheric pressure to be 128 kpa and the temperature and the volume to remain constant.[r-0.287 kj/kgk]
Answers: 3
A soil element is subjected to a minor principle stress of 50 kPa on a plane rotated 20 ° counterclo...
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