Engineering, 28.11.2019 03:31 uticabadgirl
Aplane wall 6.0 cm thick generates heat internally at the rate of 300,000 w/m3 . one side of the wall is insulated and the other side is exposed to air at 93°c. the convective heat transfer coefficient between the surface of the wall and the air is 570 w/(m2 °c). the thermal conductivity of the wall is 21 w/(m °c). the system is at steady state. a. calculate the heat flux from the surface of the wall into the air. b. at what location in the wall will one find the maximum temperature?
Answers: 2
Engineering, 04.07.2019 18:10
You are making beer. the first step is filling the glass carboy with the liquid wort. the internal diameter of the carboy is 15 in., and you wish to fill it up to a depth of 2 ft. if your wort is drawn from the kettle using a siphon process that flows at 3 gpm, how long will it take to fill?
Answers: 1
Engineering, 04.07.2019 18:10
A-mn has a cubic structure with a0 0.8931 nm and a density of 7.47 g/cm3. b-mn has a different cubic structure, with a0 0.6326 nm and a density of 7.26 g/cm3. the atomic weight of manganese is 54.938 g/mol and the atomic radius is 0.112 nm. determine the percent volume change that would occur if a-mn transforms to b-mn.
Answers: 2
Engineering, 04.07.2019 18:10
Condition monitoring is a major component of. (clo4) a)- predictive maintenance. b)-preventive maintenance c)-proactive maintenance d)-reactive maintenance.
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
Aplane wall 6.0 cm thick generates heat internally at the rate of 300,000 w/m3 . one side of the wal...
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