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A rigid tank contains 1 lbmol of argon gas at 400 R and 750 psia. A valve is now opened, and 3 lbmol of N2 gas is allowed to enter the tank at 340 R and 1200 psia. The final mixture temperature is 360 R. Determine the pressure of the mixture, using (a) the ideal-gas equation of state and (b) the compressibility chart and Dalton's law.
calculate the required compressive strength for a concrete mix design if f'c = 5000 psi and data indicate a standard deviation of 600 psi based on 15 tests for a similar concrete mix.
The casting has a mass of 3 Mg. Suspended in a vertical position and initially at rest, it is given an upward speed of V mm/s in 0.3s using a crane hook H. Determine the tension in cables AC and AB during this time interval if the acceleration is ..
Calculate the percentage of change in total volume with respect to its initial volume when a specimen of this clay is completely dried from a water content of 80%. Assume that the clay remains saturated from liquid limit to shrinkage limit.
A motorcyclist travels around a curved path that has a radius of 200 . While traveling around the curved path, the motorcyclist increases speed by 1.25 . If the motorcyclist starts from rest, determine the time needed to reach an acceleration of 5...
Calculate the surface area (m2), diameter (m), volume (m3), and hydraulic retention time of a 3 m deep circular, primary clarifier that would remove 50 percent of suspended solids. Assume the surface overflow rate (SOR) used for design is 60 m3/m2-..
Compute the velocity of a free-falling parachutist using Euler's method for the case where m = 80 kg and c = 10 kg/s. Perform the calculation from t = 0 to 20 s with a step size of 1 s. Use an initial condition that the parachutist has an upwar..
The air above the liquid is under a pressure of 5 psig, and the specific gravity of the liquid in the tank is 0.80. If the rectangular gate is 6 ft wide and if y1 = 1 ft and y2 = 10 ft, what force P is required to hold the gate in place
A natural deposit of soild was found to have water content of 20% and to be 90% saturated. What is the void ratio of the soil
The base engine develops 200 ft-lb of torque, and a modified version of the engine develops 240 ft-lb of torque. If the overall gear reduction ratio is 8 to 1, what is the maximum acceleration from rest (in ft/sec^2) for.
Consider a DVD To protect sensitive information within the storage medium, a vwery thin film of reactive polymer is embedded within the polycarbonate at a distance of d= 0.5 mm from the surface.
The moist unit weight of a soil is 19.kN/m^3. Given that specific gravity is 2.72 and water content is 10.6%, calculate dry unit weight, void ratio, porosity, and degree of saturation.
Calculate the required compressive strength for a concrete mix design if F'c = 5000 psi and data indicate a standard deviation of 600 psi based on 15 tests for a similar concrete mix
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