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1.Steam flows steadily through an adiabatic turbine. Theinlet conditions are 10 MPa, 450 C and 80 m/s. and the exitconditions are 10 kPa, 92% quality at 50 m/s. The mass flowrate of the steam is 12 kg/s. Determine the change in kineticenergy and the power output .Steam flows through an adiabatic air.
2.What are the units of specific heat? When undergoing agiven temperature change, which of these two common gasses -air or oxygen – experiences the largest change in its (a)enthalpy, and (b) internal energy.
Alternative R has a first cost of $100,000, annual M&O costs of $50,000, and a $20,000 salvage value after 5 years. Alternative S has a first cost of $175,000 and a $40,000 salvage value after 5 years
a dense sand has an effective friction angle of 43 and c0. a dry 2.8-inch diameter sample is tested in drained triaxial
at the bottom of a loop in the vertical plane an airplane has a horizontal velocity of 315 mi/h and is speeding up at a rate of of 10ft/s^2. The radius of curvature of the loop is 1mi. The plane is being tracked by radar at O.
Air at 80oC and a pressure of approximately 1350 kPa abs flows in a 20-mm-diameter tube. What is the minimum turbulent flow rate
A very long rectangular channel connects two reservoirs and has a longitudinal slope of 0.005. The channel has a width of 10 m and a Manning's n of 0.030.
On a shovel/truck operation the production of the shovel is 293 BCY/h and a job efficiency of 0.75. The trucks used have a capacity of 12 BCY and have a cycle time of 45 min.(excluding loading).
Soil engineers hypothesize that the share of limestone in Austin's soils is the same as that in San Antonio soils. They take 100 bore holes in each region, with 70 showing limestone in Austin and 60 showing limestone in San Antonio.
Data obtained from aerial photography showed six vehicles on a 600 ft long section of road. Traffic data collected at the same time indicated an average time headway of 3.6 sec.
Soil A is micaceous with an average grain relative density of 2.80, and has a high plasticity in its fine fraction. The ground quartz-feldspathic B is, with an average relative density of 2.65 and fine grains of low plasticity.
A movable cone fits inside a stationary conical depression. If a torque is applied to the cone, the cone will rotate at a certain speed depending on the angles θ and β, the radius r o, and the viscosity μ of the liquid.
E on roads extending east and west and S on roads extending north and south.Those roads traveling east and west are designated a number and the letter E.
Testing has already been completed on the water and the Usage Rate for the carbon is 0.4 pounds of carbon per 1000 gallons of water treated. The required EBCT is 20 minutes and the carbon longevity must be at least 6 months.
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