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Twenty pounds of a gas mixture is contained in a tank with volume 30 cubic feet at 30 psia and 70 F. The gas mixture has volumetric analysis of twenty percent carbon dioxide, thirty percent oxygen, and fifty percent nitrogen. (a) Using constant-specific heat theory, find the final temperature if 400 Btu of heat is added to the gas mixture (b) Discuss how you would solve this problem using the gas tables (discuss only, do not solve)
to analyze the motion of a body that is traveling along a curved path to determine the bodys acceleration velocity and
Carbon dioxide flows in a horizontal duct at 7 bar abs. and 300 K with a velocity of 20m/s. At a dowstream section, the pressure is 3.5 bar abs and the temperature is 280 K. if 1.4 x 10^4 j/kg of heat is lost by the fluid between these locations.......
A cube of linear elastic material is subjected to a vertical compressive stress sigma1 in the 1-direction, but it is now constrained ( e = 0) in both the 2- and 3- directions. Find expressions for the induced transverse stresses, sigma2 and sigma3 in..
An adiabatic vessel contains steam at 180 [C] and 116 [kPa]. The volume is 0.5 [m^3]. Steam at 150 [C] with a quality of 0.85 is fed into the vessel until the flow stops. What are the final pressure and temperature inside the tank? What is its qualit..
a positively cambered airfoil with a zero-lift angle of attack of ?3has a lift slope of 0.1 per degree.a. calculate the
engineers plan to build a pipeline 1000 km in length to transport water to a drought-stricken region. they wish to have
A residential heat pump has a coefficient of performance of 2.6. How much heating effect in Btu/h will result when 4.6 hp is supplied to the heat pump?
at steady state a refrigeration cycle maintains a clean room at 55degf by removing energy entering the rom by heat
an engineer proposes to buy a machine for 100000 today that will save 60000 in labor costs at the end of each of the
mass 8kg stiffness 90nm initial displacement 0.1m initial velocity 0.9ms assume the system is critical damped. find the
a 100-kg copper block initially at 110degc is dropped into an insulated tank that contains 150 kg of water at 15degc.
to what temperature would a constrained rod of aluminium with a diameter of 50 mm need to be heated if it is expected
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