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Oxygen is stored in a rigid tank with a volume of 10 m3 . The pressure and temperature in the morning are measured as 120 KPa and 20oC, respectively. As a result of solar heating, the temperature increases to 60oC in the afternoon. Assuming the oxygen can be considered as ideal gas, please determine: (A) The oxygen pressure in the afternoon (B) The total heat transfer to the tank.
in the bird-on-a-wire group work example how do you expect the angle and tension to be related? remember that this is
a carnot engine operates between two reservoirs maintained at 400 degrees celcius673.15k and t2 respectively. the heat
consider a shell and tube heat exchanger which is used to heat water cp water 4.33kjkgk from 10 deg c to 85 deg c
Determine the smallest horizontal force required to pull out wedge A. The crate has a weight of 200 and the coefficient of static friction at all contacting surfaces is = 0.7. Neglect the weight of the wedge.
a heat pump has a second law efficiency of of 74. it supplies heat to a room at a rate of 46000 btuhr in order to
Sketch the thermal circuit of the system. Label (using the above symbols) all pertinent nodes and resistances.
Find the stoichiometric A/F ratio (by mass) for the combustion of benzene (C6H6). Compute the actual A/F ratio and do a wet and dry analysis of the products by volume at a mixture strength of 95%.
if the critical resolved shear stress for yielding in aluminum is 240kpa. calculate the tensile stress required to cause yielding when the tensile axis is [001]
two forces f1 and f2 with magnitudes 40 and 55 newtons respectively act on an object at the origin. the angle f1 makes
the ends of a wire 1.17 m in length are suspended securely between two insulating plates. the diameter of the wire is
a liquid-vapor mixture of h2o at 2 mpa is heated in a constant volume process. the final state is the critical point. a
Applied Loads, Young's modulus, Poisson's ratio, The Young's modulus and the Poisson's ratio for copper are 124.8 GPa and 0.36 respectively. When a tensile load is applie to a 1.5cm diameter copper rod
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