Engineering, 11.02.2020 22:55 tammydbrooks43
Two machines used in the same operation are to be compared. A random sample of 80 parts from the first machine yields nonconforming ones. A random sample of 120 parts from the second machine shows 14 nonconforming ones.
a) Can we conclude that there is a difference in the output of the machines? Use a level of significance of 0.01.
b) Find a 95% confidence interval for the difference in the proportion of nonconforming parts between the two machines.
Answers: 1
Engineering, 03.07.2019 14:10, volleyballfun24
If the thermal strain developed in polyimide film during deposition is given as 0.0044. assume room temperature is kept at 17.3 c, and thermal coefficient of expansion for the film and the substrate are 54 x 10^-6c^-1 and 3.3 x 10^-6c^-1respectively. calculate the deposition temperature.
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Engineering, 04.07.2019 18:10, niyawilliams23
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Engineering, 04.07.2019 18:10, lillygrl100
For the closed feedwater heater below, feedwater enters state 3 at a pressure of 2000 psia and temperature of 420 °f at a rate of ix10 ibhr. the feedwat extracted steam enters state 1 at a pressure of 1000 psia and enthalpy of 1500 btu/lbm. the extracted er leaves at an enthalpy of 528.7 btu/lbm steam leaves as a saturated liquid. (16) a) determine the mass flow rate of the extraction steam used to heat the feedwater (10) b) determine the terminal temperature difference of the closed feedwater heater
Answers: 3
Two machines used in the same operation are to be compared. A random sample of 80 parts from the fir...
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