Engineering, 19.11.2019 02:31 millernicholas622
Acylindrical specimen of a hypothetical metal alloy is stressed in compression. if its original and final diameters are 19.276 and 19.300 mm, respectively, and its final length is 75.5 mm, calculate its original length if the deformation is totally elastic. the elastic and shear moduli for this alloy are 108 gpa and 38.1 gpa, respectively.
Answers: 3
Engineering, 03.07.2019 15:10
Apiston-cylinder with a volume of 0.25 m3 holds 1 kg of air (r 0.287 k/kgk) at a temperature of 100 c. heat transfer to the cylinder causes an isothermal expansion of the piston until the volume triples. how much heat is added to the piston-cylinder?
Answers: 3
Engineering, 04.07.2019 18:20
Air flows over a heated plate àt 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
Engineering, 04.07.2019 18:20
Apiston-cylinder device contains 0.1 m3 of liquid water and 0.9 m3 of water vapor in equilibrium at 800 kpa. heat is transferred at constant pressure until the temperature of water reaches 350 °c. determine (a) the quality of water at the initial state (b) the work associated with this process, (c) the heat associated with this process.
Answers: 2
Engineering, 04.07.2019 19:20
Apreheater involves the use of condensing steam at 100°c on the inside of a bank of tubes to heat air that enters at 1 atm and 25°c. the air moves at 5 m/s in cross flow over the tubes. each tube is 1 m long and has an outside diameter of 10 mm. what is the minimum value of nl needed to achieve an outlet temperature of t 75 c? what is the corresponding pressure drop across the tube bank?
Answers: 3
Acylindrical specimen of a hypothetical metal alloy is stressed in compression. if its original and...
History, 25.01.2020 11:31
World Languages, 25.01.2020 11:31
Mathematics, 25.01.2020 11:31
History, 25.01.2020 11:31
Mathematics, 25.01.2020 11:31
Mathematics, 25.01.2020 11:31
Mathematics, 25.01.2020 11:31
Mathematics, 25.01.2020 11:31
Mathematics, 25.01.2020 11:31
French, 25.01.2020 11:31
Mathematics, 25.01.2020 11:31
Health, 25.01.2020 11:31