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Argon gas enters a constant cross-sectional-area duct at Ma1= 0.2, P1= 320 kPa, and T1 =400 K at a rate of 0.8 kg/s. Disregarding frictional losses, determine the highest rate of heat transfer to the argon without reducing the mass flow rate.
If the time required to pay for parking is exponentially distributed with a mean of 15 seconds, find the average time in system.
Consider the steady viscous flow through a small horizontal tube. for this type of flow, the pressure gradient along the tube should be a function of the dynamic viscosity, the mean velocity and the diameter of the tube. use dimensional analysis to d..
Determine the normalstress in a basketball of 12 inches diameter and 0.1 inch wall thickness which has been inflated to a gage pressure of 15psi.
The line of sight of a level falls at a rate if 0.122ft/ 100 ft when the level bubble is centered. A backsight of 4.782 is taken on point A, which is at 75 ft from the level. the elevation of a is 425.238 ft.
The concentration of ammonia is 6 mg/L at one point in the river. If the first - order decay coefficient for the conversion of ammonia to nitrate is 0.05 day-1, what will the ammonia concentration be 10 miles downstream.
A large concrete channel holds a hydraulic jump in which the subcritical depth of flow is 2.5 m. If 40 percent of the specific energy in the flow is lost through the hydraulic jump, what is the specific discharge in this rectangular channel
derive an equation and solve for the volume V of a CSTR, operated isothermically for the second-order reaction 2R->P, where rR=-kC^2 R. Data are k=6.0 L/mol-s, CRin=0.005 mol/L, CRout=0.0005 mol/L, and Q=100 L/s.
One atmospheric air stream at 15 c and 30 percent relative humidity is mixednadiabatically with another air stream at 30c and 70 percent relative humidity in a steady flow process if the mass flow rate of the dry air in the hot stream
A family of six in a five bedroom house would like to treat their wastewater in an onsite septic system, constructed wetland, and tile drainage (leach field) system. They will be generating a maximum of 1.2 m3/d of septic tank effluent.
A sleeve 30 cm long encases a vertical rod 2.5 cm in diameter with uniform radial clearance of 0.005 cm. when the sleeve and the rod are immersed in a pool of oil with dynamic viscosity
The municipal wastewater treatment process for a hypothetiical town consists of two separate lagoons being operated in series. The first lagoon has a volume of 4 million gallons, while the second lagoon has a volume of 2.5 million gallons.
The peak-hour volumes at two locations were counted and found to be equal. However, the PHFs were .85 at the first location and .60 at the second. Describe the difference between the two locations if t=5 min.
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