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A boiler delivers steam at 10 MPa, 550?C to a two stage turbine, as shown in Fig. 9.19. After the first stage, 25% of the steam is extracted at 1.4 MPa for a process application and returned at 1 MPa, 90?C to the feed water line. The remainder of the steam continues through the low-pressure turbine stage, which exhausts to the condenser at 10 kPa. One pump brings the feed water to 1 MPa and a second pump brings it to 10 MPa. Assume all components are ideal. If the process application requires 5 MW of power, how much power can then be cogenerated by the turbine?
A total station with a 20"/ div. level bubble is one division out of level on a point with an altitude angle of 38°15'44". What is the error in the horizontal pointing?
It the mean annual runoff of a drainage basin of 10000 km^2 is 140 m^3/s, and the average annual precipitation is 105 cm, estimate the ET losses for the area in 1 year. What are your assumptions? How reliable do you think this estimate is?
HZ Wireless must rebuild a cell tower recently destroyed by a tornado. A tower made of normal steel (NS) will cost $30,000 to construct and should last 15 years. Maintenance will cost $1000 per year.
A ciricular sewer is laid on a slope of 0.5%. What diameter is required if the concrete pipe is to carry 25 cfs If the desired design mean suction velocity is between 3 and 7 ft/s, is the design acceptable
Determine the depth of a French drain (saturated depth) if the width is 3.0 feet, the effective permeability of the aggregate is 2000 ft/day, and the rate of discharge for 100 feet of trench is 1000 feet^3/day. The trench slope along the flow line is..
The center 0 of the wheel is mounted on the sliding block, which has an acceleration of a0= 8 m/s2 to the right. At the instant when theta=45 degrees, theta dot is = 3 rad/s and theta double dot is = -8 rad/s2.
A wire has a resistance of 1.2×10-2 . What will the wire's resistance be if it is stretched to twice its original length without changing the volume of the wire?
A 12inx1inx3in ASTM 36 steel bar is loaded with an axial load of 90,000lbs and a transversal load of 288,000lbs (force applied perpendicular to the 1in side) The proportionality limit is 34,000psi.
The grade elevation at station 25+00 is to be 946.52 ft. What will be the grade elevation at station 34+86.20 if the grade linerises at the rate of 1.785% between these two points?
How does pressure vary with volume, and what is the heat transfer for the process?
Crude oil flows through a level section of the Alaskan pipeline at a rate of 1.6 million barrels per day (1 barrels=42 US gallons) the pipe inside diameter is 48 inch and its roughness is equivalent to galvanized iron.
The flow is designed using a rectangular coordinate system whose orgin is at the free surface midway between the walls. The x axis is normal to the walls, and the y axis points vertically downward.
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