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1.Coal has about 5% sulfur. How many pounds of sulphur would be emitted from coal-fired power plants in the united states in 3 years? (each year. U.S electricity production in about 0.28 x 1012 watts, and coal has an energy content of about 30 x 106 J/kg. Note that 1J = 1W-sec). Show all work
2.Why is the torque on A and the torque on AB opposite? Wouldn't they be the same? How do we know which direction the torque is applied at A to begin with? It's not specified.
3.What are the bearings of the sides CD,DE,EA, and AB if the side CB has a bearing S 20° 44’ 36” W, point A is westerly of B and interior angles in each apex are as follows: A = 95° 14’ 23”; E=81° 16’ 54”; D=74° 55’ 19”; C=220° 22’ 22”; B=68° 11’ 02”
North City must choose between two new snow-removal machines. The SuperBlower has a $70,000 first cost, a 20 year life, and an $8000 salvage value. At the end of 9 years , it will need a major overhaul costing $19,000.
After the Chernobyl accident, the concentration of 137Cs in milk was proportional to the concentration of 137Cs in the glass that cow consumed. The concentration in the grass was, in turn, proportional to the concentration in the soil.
State the basic difference between the general method of slices and the bishop method of slices. b.)State the basic difference between the bishop and fellenius method of slices
vehicle manufacturer is considering an engine for a new sedan (Cd=0.34, Af=22ft^2). the car is being designed to achieve a top speed of 100 mi/h on a paved surface at sea level (p=0.002378 slugs/ft^3).
Let the lengths be 600mm and 300mm , and the angle 50 degrees . If the permitted additional elongation of the cable is 0.20mm , determine the maximum allowed distributed force per length q.
Draw block diagrams of the unit operations necessary to treat the following wastes to effluent levels of BOD5 = 200 mg/L, SS = 100 mg/L, P = 5 mg / L (required for discharge into a sanitary sewer).
The background concentration of atmospheric lead is 0.1 ug/m^3. During a typical hot day in Leadville the mixing height is 500m and the average wind speed is 1.9m/s.
Create a MATLAB program and flowchart which will allow the user to input an unknown number of temperatures, each of which might be a temperature in Celsius, Fahrenheit, Kelvin, or Rankine, and will convert the user input temperature to each of the..
When fluid of specific weight 8.2 KN/m^3 flows in a 150-mm-diameter pipe, the frictional stress between the fluid and the pipe wall is 25 N/m^2. Calculate the friction head loss per meter of pipe
The slope distances shown were measured with an EDM while the differences in elevation between the ends of each line were determined by leveling. What are the horizontal distances?
The mass flow rate of steam into a steam turbine is 5 kg/s . The turbine has a heat loss of 5 kj/s. if the velocity of the refrigerant is to be limited to 2 m/s, what is the minumum allowable pipe diamter
a concrete test cylinder is loaded with p= 100k (445 kn) and resulting shortening of 0.036" (0.0914 mm). determine the unit strain developed in the concrete.
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