4. Eliminate the arbitrary constants: y = c1e* + C2xe* а. у" + 4y' + 4у %3D 0 b. y" + 4y' – 4y = 0 с. у" — 4у' + 4у %3D0 d. y" – 4y' – 4y = 0 - %3D

Please choose all factors that need to be considered for the selection of construction materials. Maintenance of damage Manufacturing costs Transportation Placing in the project site

You have been asked to select pipe for use within a chemical processing plant. a)      What information do you need to know from the process engineering department to select suitable pipe? b)      What information do you need to know from the civil structural engineering department to select suitable pipe? c) What information do you need to know from the procurement department to select suitable pipe?