A steel specimen is subjected to elastic stresses represented by the matrix
σij=⎣2 −3 1
−3 4...
Engineering, 27.08.2020 23:01 florochoa217
A steel specimen is subjected to elastic stresses represented by the matrix
σij=⎣2 −3 1
−3 4 5 1 5 −1]MPa
Given that E = 200 GPa,
ν = 0.3, calculate the corresponding strains
Answers: 2
Engineering, 04.07.2019 18:10, mamasbug4285
An air compression refrigeration system is to have an air pressure of 100 psia in the brine tank and an allowable air temperature increase of 60°f for standard vapor compression cycle temperatures of 77 f entering the expansion cylinder and 14 f entering the compression cylinder, calculate the coefficient of performance a. 2.5 b 3.3 c. 4.0 d. 5.0
Answers: 3
Engineering, 04.07.2019 18:10, 0436500
Aturning operation is performed with following conditions: rake angle of 12°, a feed of 0.35 mm/rev, and a depth of cut of 1.1 mm. the work piece is aluminum alloy 6061 with t6 heat treatment (a16061-t6). the resultant chip thickness was measured to be 1.0 mm. estimate the cutting force, fc. use shear stress of 207 mpa and coefficient of friction on the tool face of 0.6.
Answers: 1
Engineering, 04.07.2019 18:20, safiyabrowne7594
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?
Answers: 3
Engineering, 04.07.2019 19:10, pjgolden04
How to increase the thermal officiency of an ideal simple rankino cycle? among these methods, which one is the best and why?
Answers: 2
Mathematics, 31.08.2020 09:01
Mathematics, 31.08.2020 09:01
Mathematics, 31.08.2020 09:01
Engineering, 31.08.2020 09:01
History, 31.08.2020 09:01
Mathematics, 31.08.2020 09:01
Geography, 31.08.2020 09:01
Mathematics, 31.08.2020 09:01