A spring-loaded piston-cylinder device contains 1.5 kg of carbon dioxide. This system is heated from 200 kPa and 25 °C to 1200 kPa and 300°C. Determine the total heat transfer to and work produced by this system.
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- Compare the masses and volumes of water, concrete, sand, and wood needed to store 106 Btu of heat if the operating temperatures are Tc = 85F and Th = 180F. In each case, calculate the edge length of a square storage unit with a height of 8 ft.A refrigerator is to remove heat from the cooled space at a rate of 300.74 kJ/min to maintain its temperature at -8 C. If the air surrounding the refrigerator is at 28.91 C, determine the minimum power input (kW) required for this refrigerator.ENERGY CONSERVATION - BERNOULLI EQUATION. 3. Kerosene flows at 25 ° C, at a rate of 1200 L / min, from the lower tank (A) to the upper tank (B) through a 2 ”copper tube. type K. Calculate the air pressure over the fluid.
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- Solve the heat equation ut=cuxx on the domaion 0≤x≤2, t>0 subject to u(x,0)=x(x−2), u(0,t)=0,u(2,t)=0a constant pressure container (inside the piston-cylinder) with 250 kPa pressureat the beginning the mass of the saturated water vapor was 8 kg. Then the saturated steam in the cylinder compressed to 3/4 of its mass vy cooling.1) what's the amount of heat transferred to the environment.Compute the pressure heat at m, in feet of fluid A, indicated by open manometer in figure 2 below when (a) Fluid A is oil (sp gr 0.851), the gage liquid is carbon tetrachloride (sp gr 1.51), y=30.15 in, z=3051 in. (b) Fluid A is molasses (sp.gr 1.50), gage liquid is water, y=3.51 ft, z=1.15 ft
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