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Air enters a diffuser with a velocity of 200 m/s, a static pressure of 70 kPa, and a temperature of -6?C. The velocity leaving the diffuser is 60 m/s, and the static pressure at the diffuser exit is 80 kPa. Determine the static temperature at the diffuser exit and the diffuser efficiency. Compare the stagnation pressures at the inlet and the exit.
A continuous geogrid having a reinforcement coverage ratio equal to 100 percent. A continuous metallic grid consisting of W4 bars having a diameter equal to 5.7 mm, a distance between longitudinal bars equal to 150 mm, a distance between transvers..
Use the randn function to create 1000 values in a normal (Gaussian) distribution of numbers with a mean of 70 and a standard deviation of 3.5. Create a histogram of the data set you calculated.
an air space above a long tube is pressurized to 50 kPa vacuum. water (20 degrees C) from a reservoir fills the tube to a height h. If the pressure in the air space is changed to 25kPa vacuum, will h increase or decrease and by how much
A water storage tank located on a larege dairy farm has a storage capacity of 0.1 ML. The average rate of water consumption from this tank is 6.25 kL per day, every day. The farmer refills the tank (overnight) every 14 days
Raw primary sludge at a solids concentration of 3% is mixed with waste activated sludge at a solids concentration of 6,000 ppm. The flows are 20 and 25 gal/min, respectively. What is the resulting solids concentration
What are the effects of reducing w/c on porosity, permeability, and compressive strength of hydrated cement. Porosity: capillary pore volume/total volume of hydrated cement specimen
Calculate the exact alkalinity (in mg/L as CaCO3) of a water containing 58.01 mg/L of bicarbonate ion and 160.22 mg/L ofcarbonate ion. The water has a pH of 10.47.
Determine the constraint equation which relates the accelerations of bodies A and B. Assume that the upper surface of A remains horizontal.
Develop an equation that determines the mass of the finishing rods in terms of the materials properties (e.g. elastic modulus and dimension), section geometry (e.g. cross sectional length and length), and the design inputs (e.g. load and deformation)
A canal was constructed running parallel to a river 1500 ft away. Both fully penetrate a sand aquifer with a hydraulic conductivity of 1.2 ft/d. The area is subject to rainfall of 1.8 ft/y and evaporation of 1.3 ft/y.
Consider a rubber plate that is in contact with nitrogen gas at 298 K and 250 kPa. Determine the molar and mass density of nitrogen in the rubber at the interface.
What is the peak discharge for an area with the following characteristics The rainfall intensity is 120 mm/hour. Land use Area, m2 Forest 10,000 Single family residential 9,000 Parking lots 5,000
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