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Ethyl alcohol (C2H5OH(g)) at 25°C is burned in a steady-flow adiabatic combustion chamber with 40 percent excess air that also enters at 25°C. Determine the adiabatic flame temperature of the products at 1 atm assuming the significant equilibrium reactions are CO2 = CO +O2 and N2 + O2 = NO. Plot the adiabatic flame temperature and kmoles of CO2, CO, and NO at equilibrium for values of percent excess air between 10 and 100 percent.
The acceleration of a particle as it moves along a straight line isgiven by a = (2t-1)m/s2 where t is in seconds. If s =1mand v =2m/s when t =0 determine the particles velocity and positionwhen t = 6s. Also determine the total distance the particle t..
A 100-m reach of sewer is to have a minimum capacity of 200 L/s. The street elevation at the upper manhole is 305.55 m and at the lower manhole is 303.05 m. Determine an appropriate pipe diameter and slope for this reach
Compute the water table profile drawn in part B. Provide a detailed description of your methodology, and limit your solution to include only 4 image wells. Plot the profile, and provide drawdown amounts at X = -400 m, -200 m, -100 m, 100 m, 200 m,..
Calculate the size of an anaerobic digester required to treat the sludge from a primary clarifier designed to treat 38,000 m3/d of sewage. The quantity of dry volatile solids removed by the plant is 0.15 kg dry solids/m3 sewage.
A driver with his passenger vehicle is driving at 35 mph, when the traffic signal in front of him changes to yellow. He is 100 feet from the intersection when he applies the brakes after a 1-second reaction time.
1. a watershed contains 16.2 ha and 24.3 ha of agricultural and residential land use respectively. the last rainfall
a pre-engineering base line was run down a very steep hill.rather than measure horizontaily down hill with steel tape
Use appropriate kinematics equations (for the right ranges) for the new velocity and distance traveled. (Hint: when the impulse becomes a non-negative number set it to zero; then the acceleration becomes zero and the velocity does not change; so use ..
A 14in diameter pipe pile is driven 50ft into a dry loose sandwhose unit weight is 105 pcf. The angle of internal frictionis 33 degrees. Compute the safe axial downward loading
The inlet of loe pressure turbine is 500Kpa and 500°C. Condenser operates at 10 Kpa. Determine the mass flowrate through boiler needed to produce 5000KW of power.
Problems were found in the use of precast concrete, is:A. Need a larger initial investmentB. Requires fabricating a very wide area
Conduct either a qualitative or quantitative risk assessment on this project. Identify the risk factors that you consider most important for the suspension bridge construction. How would you assess the riskiness of the project? Why?
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