Engineering, 20.07.2019 00:30, RioQNA
In an apartment the interior air temperature is 20°c and exterior air temperatures is 5°c. the wall has inner and outer surface temperatures of 16°c and 6°c, respectively. the inner and outer convection heat transfer coefficients are 5 and 20 w/m2.k, respectively. calculate the heat flux from the interior air to the wall, from the wall to the exterior air, and from the wall to the interior air. is the wall under steady-state conditions?
Answers: 3
Engineering, 04.07.2019 18:20, kodyclancy
Aquick transition of the operating speed of a shaft from its critical speed will whirl amplitude. (a) increase (b) limit (c) not affect (d) zero
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Engineering, 04.07.2019 18:20, samantha636
Avolume of 2.65 m3 of air in a rigid, insulated container fitted with a paddle wheel is initially at 264 k, 5.6 bar. the air receives 432 kj by work from the paddle wheel. assuming the ideal gas model with cv = 0.71 kj/kg • k, determine for the air the amount of entropy produced, in kj/k
Answers: 2
Engineering, 04.07.2019 18:20, jessie8022
Apiston-cylinder device contains 0.1 m3 of liquid water and 0.9 m3 of water vapor in equilibrium at 800 kpa. heat is transferred at constant pressure until the temperature of water reaches 350 °c. determine (a) the quality of water at the initial state (b) the work associated with this process, (c) the heat associated with this process.
Answers: 2
In an apartment the interior air temperature is 20°c and exterior air temperatures is 5°c. the wall...
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