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An adiabatic piston-cylinder device equipped with a spring maintains the pressure inside at at 300kPa when the volume is 0, and 3000kPa when the volume is 5 m3. The device is connected to a steam line maintained at 1500kPa and 200 C, and the initial volume is 0. Determine the final temperature (and quality if appropriate) when valve is opened and steam in the line is allowed to enter the cylinder until the pressure inside matches that in the line. Also determine the total work produced during this adiabatic filling process.
A short hollow cast iron cylinder with a wall of thickness of 1 inch. is to carry a compressive load p=150 kips. compute the required outside diameter if the working stress in compression is 12,000 psi
A municipal water plant has four filters that are each 20 ft long by 15 ft wide by 5 ft deep. The demand for water requires that they only operate, on average, three filters per day at a loading of 3 gallons per min / ft^2.
A pipeline 1200ft long and 8in. in diameter hasat its inlet point 75ft of available hydraulic energy with respectto the reference level. The velocity in the pipe is 5fps; thepressure at its end is 12psi.
Plan 2 has a $40/month access fee, unlimited nights and weekends, 750 anytime minutes plus $0.29/minute for minutes over 750, text messages cost $0.05 each, and roaming cost $0.39/minute whenever she leaves the state.
The flowrate through an open channel with a slope of 2 % is calculated using Manning's equation at 100 cubic feet per second. If the slope of the channel is doubled to 4%
develop a simple urban constructed wetland design guidelines and drawings. your report should include the followingi.
Calculate the change in length of a 30m measuring tape made of steel when its temperature changes by 84 F. The coefficient of thermal expansion for steel is x = 3.1 x 10^-6 per C
Explain how the different physical characteristics and moisture content of soil lead to the different angles of repose, swell, and shrinkage factors. Explain how these factors affect excavation operations and costs.
After 5 seconds the force is continuous at the 50 N level. Determine the velocity of the cart at t=8 seconds and calculate t at which the cart velocity is zero.
A concentrated load of 200 kips is applied to the ground surface. What is the vertical stress increment due to the load at a point 15 ft below the ground surface at a horizontal distance of 10 ft from the line of the concentrated load
Determine the minimum volume of concrete needed to keep the gate(1m wide) in a closed position, with l=2m. Note the hinge at the bottom of the gate.
You are to design a chlorination tank for killing microorganisms in the effluent from a wastewater treatment plant. It is necessary to remove 99% of active bacteria in a wastewater flow of 120 m 3 /hr.
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