Engineering, 20.04.2020 23:04 timttimtim
Problem #1Estimate the (1) endurance limit (Sn) and (2) 103fatigue strength (S103) for a steel bar (d < 10mm) with a Brinell hardness of 300 Bhn. Consider the case of fully reversed (a) rotating bending, (b) axial loading and (c) torsion, assuming laboratory polished specimens, room temperature, and 50% reliability. Problem #1Estimate the (1) endurance limit (Sn) and (2) 103fatigue strength (S103) for a steel bar (d < 10mm) with a Brinell hardness of 300 Bhn. Consider the case of fully reversed (a) rotating bending, (b) axial loading and (c) torsion, assuming laboratory polished specimens, room temperature, and 50% reliability.
Answers: 3
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
Engineering, 04.07.2019 18:10, mamasbug4285
An air compression refrigeration system is to have an air pressure of 100 psia in the brine tank and an allowable air temperature increase of 60°f for standard vapor compression cycle temperatures of 77 f entering the expansion cylinder and 14 f entering the compression cylinder, calculate the coefficient of performance a. 2.5 b 3.3 c. 4.0 d. 5.0
Answers: 3
Engineering, 04.07.2019 19:10, nbunny7208
What is the chief metrological difference between measuring with a microscope and with an electronic comparator? a. the microscope is limited to small workpieces. a. the microscope is limited to small workpieces. c. the comparator can only examine one point on the workpiece. d. the microscope carries its own standard.
Answers: 1
Problem #1Estimate the (1) endurance limit (Sn) and (2) 103fatigue strength (S103) for a steel bar (...
Biology, 18.03.2022 04:50
Chemistry, 18.03.2022 04:50