_______________________ Last Name, First CHE426: Optional Homework. Due on or before the time of your final exam. Section 2 (9-9:50 AM) Monday Mar 12 9:10 AM Section 3 (10-10:50 AM) 14 9:10 AM Section 1 (11-11:50 AM) Friday Mar 16 11:30 AM Copy the program Control11.exe from the distribution folder to your flash or H drive. Run the program and choose problem 1-8 in any order. Solve the problems with the data provided by the program, copy the problem statement to Word. The program will check your answer and provide an answer code when you click on Copy the answer code and paste them after the problem “Check”. statement. You need to present all your work with a diagram in details to get full credit. Your work should look like this: 1) A thermometer having a time constant of 1 min is initially at 50oC. It is immersed in a bath maintained at 100oC at = 0. Determine the temperature reading at =1.2 min. t t Problem 1: Correct, Code =4313336481 Solution Thermometer with min τ=1 Let = bath temperature, = indicated temperature x y = 50oC ys = = 50 Y y(t) ys y(t) – – = = 50 X x(t) xs x(t) – – = = = 50u(t) = 50/s = = 50(1 e-t) X(t) X(s) Y(s) Y(t) – = 50(1 e-1.2) = 34.9oC = + 50 = 34.9 + 50 = 84.9oC Y(1.2) – y(1.2) Y(1.2) The thermometer reading is 84.9oC at = 1.2 min t Box the answer(s)!
_______________________ Last Name, First CHE426: Optional Homework. Due on or before the time of your final exam. Section 2 (9-9:50 AM) Monday Mar 12 9:10 AM Section 3 (10-10:50 AM) 14 9:10 AM Section 1 (11-11:50 AM) Friday Mar 16 11:30 AM Copy the program Control11.exe from the distribution folder to your flash or H drive. Run the program and choose problem 1-8 in any order. Solve the problems with the data provided by the program, copy the problem statement to Word. The program will check your answer and provide an answer code when you click on “Check”. Copy the answer code and paste them after the problem statement. You need to present all your work with a diagram in details to get full credit. Your work should look like this: 1) A thermometer having a time constant of 1 min is initially at 50oC. It is immersed in a bath maintained at 100oC at t = 0. Determine the temperature reading at t =1.2 min. Problem 1: Correct, Code =4313336481 Solution Thermometer with τ=1 min Let x = bath temperature, y = indicated temperature ys = 50oC Y = y(t) – ys = y(t) – 50 X = x(t) – xs = x(t) – 50 = = X(t) = 50u(t) X(s) = 50/s Y(s) = Y(t) = 50(1 – e-t) Y(1.2) = 50(1 – e-1.2) = 34.9oC y(1.2) = Y(1.2) + 50 = 34.9 + 50 = 84.9oC The thermometer reading is 84.9oC at t = 1.2 min Box the answer(s)!
Optional%20CHE%20426%20problem.docx