Engineering, 27.03.2020 03:14 carlinryan
A cylindrical specimen having an original diameter of 12.0 mm is tensile tested to fracture and found to have an engineering tensile strength of 428 MPa. If the cross-sectional diameter at fracture is 10.1 mm, determine the following: a) The ductility in terms of %RA.
Answers: 1
Engineering, 04.07.2019 18:10
Refrigerant 134a enters an insulated compressor operating at steady state as saturated vapor at -26°c with a volumetric flow rate of 0.18 m3/s. refrigerant exits at 9 bar, 70°c. changes in kinetic and potential energy from inlet to exit can be ignored. determine the volumetric flow rate at the exit, in m3/s, and the compressor power, in kw.
Answers: 1
Engineering, 04.07.2019 18:10
Awall of 0.5m thickness is to be constructed from a material which has average thermal conductivity of 1.4 w/mk. the wall is to be insulated with a material having an average thermal conductivity of 0.35 w/mk so that heat loss per square meter shall not exceed 1450 w. assume inner wall surface temperature of 1200°c and outer surface temperature of the insulation to be 15°c. calculate the thickness of insulation required.
Answers: 3
Engineering, 04.07.2019 18:20
Ahe-xe mixture containing a 0.75 mole fraction of helium is used for cooling electronics in an avionics application. at a temperature of 300 k and atmospheric pressure, calculate the mass fraction of helium and the mass density, molar concentration and molecular weight of the mixture. if the cooling capacity is 10 l, what is the mass of the coolant?
Answers: 3
Engineering, 04.07.2019 18:20
For a gate width of 2 m into the paper, determine the force required to hold the gate abc at its location.
Answers: 1
A cylindrical specimen having an original diameter of 12.0 mm is tensile tested to fracture and foun...
English, 30.10.2020 01:30
Mathematics, 30.10.2020 01:30
History, 30.10.2020 01:30
Health, 30.10.2020 01:30
English, 30.10.2020 01:30
English, 30.10.2020 01:30
History, 30.10.2020 01:30
Chemistry, 30.10.2020 01:30
Chemistry, 30.10.2020 01:30
English, 30.10.2020 01:30
Physics, 30.10.2020 01:30
Mathematics, 30.10.2020 01:30