Engineering, 25.10.2019 03:43 juliannabartra
A1045 hot-rolled steel tension test specimen has a diameter of 6.25 mm and a gage length of 21 mm. in a test to fracture, the stress and strain data below were obtained. determine (a) the modulus of elasticity. (b) the proportional limit. (c) the ultimate strength. (d) the yield strength (0.05% offset). (e) the yield strength (0.20% offset). (f) the fracture stress. (g) the true fracture stress if the final diameter of the specimen at the location of the fracture was 4.80 mm. load change in length load change in length (kn) (mm) (kn) (mm) 0.00 0.00 13.89 0.29 3.38 0.01 16.03 0.61 6.77 0.02 18.41 1.04 10.15 0.03 21.23 1.80 13.54 0.04 22.07 2.26 13.66 0.05 22.24 2.78 13.75 0.06 21.43 2.78 13.86 0.08 20.03 3.83 13.89 0.09 19.60 3.94 13.89 0.10 19.35 4.00 13.89 0.14 19.09 4.06 13.89 0.17 18.82 4.12 18.63 fracture
Answers: 2
Engineering, 04.07.2019 18:10
Burgers vector is generally parallel to the dislocation line. a)-true b)-false
Answers: 2
Engineering, 04.07.2019 18:10
Ifa component is made of two or more materials with different modulus of elasticity (e), it is called a composite member and we calculate the factor·n". mention the formula for calculating n". also, ifn> 1, explain what will happen to the 1. transformed.gi) ifn 1, what will happen to the material when transformed material when
Answers: 1
Engineering, 04.07.2019 18:20
Asimple rankine cycle uses water as the working fluid. the water enters the turbine at 10 mpa and 480c while the condenser operates at 6 kpa. if the turbine has an isentropic efficiency of 80 percent while the pump has an isentropic efficiency of 70 percent determine the thermal efficiency
Answers: 1
Engineering, 04.07.2019 18:20
Refrigerant-134a enters the compressor of a refrigerator as superheated vapor at 0.14 mpa and -10°c at a rate of 0.05 ka/s and leaves at 0.8 mpa and 50°c. the refrigerant is cooied in the condenser to 0.72 mpa and 26'c. it is then throttled to 0.15 mpa. sketch the t-s diagram for the system and evaluate: 6) the rate of heat removai from the refrigerated space (kw), it) the power input to the compressor (kw), ii) the isentropic efficiency of the compressor (%), and iv) the cop of the refrigerator.
Answers: 2
A1045 hot-rolled steel tension test specimen has a diameter of 6.25 mm and a gage length of 21 mm. i...
Chemistry, 07.09.2021 14:00
Mathematics, 07.09.2021 14:00
Computers and Technology, 07.09.2021 14:00
English, 07.09.2021 14:00
Health, 07.09.2021 14:00
Mathematics, 07.09.2021 14:00
English, 07.09.2021 14:00
Social Studies, 07.09.2021 14:00
Social Studies, 07.09.2021 14:00
English, 07.09.2021 14:00