Engineering, 13.09.2019 23:30 niki209
Acompany gives you a 50mmx6mm (wxh) test coupon that is 0.5 meters in length. they tell you that from their testing, the modulus of rigidity for this material is 80 gpa, and that the yield strength is 300 mpa. they ask you to predict the lateral deformation (width and height) of a 2cmx4cm (wxh) bar they will be using in a design that will be subjected to a 40kn axial tensile load. you test your coupon using a simple tension test, and note that during the test, when the material is within the proportional elastic limit, the coupon deforms 0.012mm when subjected to a load of 1512 n. how much will the bar deform?
Answers: 2
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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 18:20
Air flows over a heated plate Ă t a velocity of 50m/s. the local skin factor coefficient at a point on a plate is 0.004. estimate the local heat transfer coefficient at this point.the following property data for air are given: density = 0.88kg/m3 , viscosity 2.286 x 10 ^-5 kgm/s , k = 0.035w/mk ,cp = 1.001kj/kgk. use colburn reynolds analogy.
Answers: 1
Acompany gives you a 50mmx6mm (wxh) test coupon that is 0.5 meters in length. they tell you that fro...
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