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1. An open FWH receives steam at 1 MPa, 200?C from the turbine and 1 MPa, 100?C water from the feed water line. Find the required fraction of the extraction flow in the turbine.
2. A power plant for a polar expedition uses ammonia and the boiler exit is 80?C, 1000 kPa, and the condenser operates at -15?C. A single open FWH operates at 400 kPa with an exit state of saturated liquid. Find the mass fraction extracted in the turbine.
A 1-mile-long racetrack is to be designed with a 1/4-mile turns at each end. Determine the superelevation rate for a design speed of 70 mph, assuming f=.20.
How many trips would one rubber-tired Herrywampus have to make to backfill a space with a geometrical volume of 5400 cubic yard. The maximum capacity of the machine is 30 cubic yard (heaped), or 40 tons.
Raw primary sludge at a solids concentration of 3% is mixed with waste activated sludge at a solids concentration of 6,000 ppm. The flows are 20 and 25 gal/min, respectively.
What is meant by the value of f, a, s on the fresh concrete mix is:A. The weight ratio of water to the weight of the cement mixture. B. The weight ratio of water to the weight of cement and aggregates. C. Factors dough with a water content ratio of t..
A short reinforced concrete column 250mm square carries an axial load of 30 Mg. the column is reinforced with 40 mm diameter bars. if the modulus of elasticity for steel is fifteen times that for concrete, find the stresses in the steel and concrete...
A 1000 cubic yard embankment is to be built using soil from a borrow pit. The properties of embankment and the borrow pit soil are given below:
The Pomdeterra wastewater treatment plant produces thickened sludge that has a suspended solids concentration of 3.8%. They are investigating a filter press that will yield a solids concentration of 24%.
a 31' solid circular bar of 2" diameter is fixed to a wall. it is made of aluminum of E=10*10^6. a 30" circular solid 1" diameter aluminum bar is welded to the 2" bar at a 30" centerline perpendicular relative to the other bar per the diagram.
After lunch, they start shoveling snow and burn calories at a rate of 360 Cal/h for the woman and 480 Cal/h for the man. Determine how long each one of them needs to shovel snow to burn off the lunch calories
A force is specified by the vector F = [(10)i + (150)j + (-50)k] N. Calculate the angles made by F with the positive x-, y-, and z-axes
two straight sections of freeway cross at a right angle. at the point of crossing the east-west highway is at elevation
Draw A flow net. Show flow lines, flow Channels, and Equipotential lines. Using flow nets, please provide an estimate of seepage rate below the dam. Your submittal will provide the basis for an environmental impact statement regarding the construc..
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