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Air enters an adiabatic compressor at 100 kPa and 17 degrees C at a rate of 2.4 m^3/s. It exits at 257 Degrees (C). The compressor has an isentropic efficiency of 84%. Neglecting the changes in kinetic and potential energy, determine (a) the exit pressure of air and (b) the power input to drive the compressor.
A C10x20 catilever beam is 12 feet long, supported on the right side. The beam supports two point loads: Load 1 is 2500 lbf and is located 2.5 feet from the wall. Load 2 is 1300 lbf and is located 12 feet from the wall.
a 300 lb block is supported by a rope that was wrapped 1 1/2 times around a horizontal rod. Knowing that the coefficient of static friction is .15 determine the range of values of P for which equilibrium is maintained
Water is flowing in a trapezoidal channel with 10 ft bottom width and 2H/IV side slopes. The channel is running on a slope of 0.00778 ft/ft and the flow exerts a shear stress of 1.5 lbs/ft2 on the channel bed. What is the depth of flow in this cas..
A tank contains 0.05 m^3 of nitrogen gas at -21 C and 10 MPa. Determine the mass of nitrogen, in kg, using: a) the ideal gas model b) data from the compressibility chart Comment on the applicability of using the ideal gas model for nitrogen at thi..
Determine the payback period for an asset that has a first cost of $40,000, a salvage value of $8000 anytime within 10 years of its purchase, and generates income of $6000 per year.
A wood mallet has a cylindrical head 6 inches long and 3 inches in diameter. If the cylindrical head is 1 inch in diameter how long must it be for the mallet to balance at a point 6 inches from where the handle enters the mallet
If the length of the river connection between the two lakes is equal to 3km and the velocity in the river is equal to 0.4 m/s, determine the concentration of UBOD in the effluent from the second lake.
The diameter of the soil column is 8.0 cm, the length of the soil column is 16.0 cm. The hydraulic head loss across the soil specimen is 6.4 cm. Over a period of 3 min, 350 mL of water is collected at the downstream side of the soil specimen.
A vertical crest curve has an approach grade +6% and a departure grade -6%. The Vertical intersection point level is 125 m. It is proposed to use a curve 720 m long. Calculate the level at TPl.
Consider high pressure steam at 400 degrees C and v =0.01567 m^3/kg. Obtain estimates of the pressure using (a) the van der Waals equation (b) the redlich-kwong equation. The actual pressure is 150 bar.
A landfill is located 500 km from a river whose surface elevation is 40 m lower than the ground elevation at the landfill. After several years it is discovered that leachate from the landfill, with a COD of 1300 mg/L, is leaking into the river.
what are the possible combinations of inflow and outflow of water in the tank in a given day. if the water level in the tank is 7ft from the bottom at the start of day, what are the possible water levels in the tank at the end of the day.
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