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Steam at 550 degree Celsius, 17.5 MPa enters the high-pressure turbine of an ideal reheat Rankine cycle. The steam exits the high-pressure turbine at 2 MPa, is reheated to 550 degree Celsius, and then expanded through a low-pressure turbine to 50 kPa. The steam mass flow rate is 50 kg/s. Determine the thermal efficiency of the cycle and net power output.
The volume of the first pond is 5.0 million gallons, and the second pond is 3.0 million gallons. Assuming complete mixing within each pond, find the BOD concentration leaving each pond
A two stage crushing operation feeds 0.6 m diameter ore into a primary crusher at a rate of 25mt/hr. 80% of the ore feeds through an 0.2m screen into a secondary crusher. 65% of the ore from the secondary crusher comes out of a 50mm screen.
A pipe 1ft in diameter bends through an angle of 135 degrees. The velocity of flow of gasoline ( S = 0.8) is 20ft/s and the pressure is 10psig in the bend. What external force is required to hold the bend against the action of the gasoline
suppose we have a 100-volt battery connected with a 100-ohm resistance. The current is then 100/100=1 amp. how much power is produced. if we double the voltage, what will the current be and what will the power be.
Simply Supported Reinforced Concrete Beams - Explain the purpose and amount of reinforcing in concrete beams in relation to bending and shear and the concepts of under reinforcement, balanced reinforcement and over reinforcement.
The drinking water standard for tetrachloroethylene is 0.005 mg/L. Using EPA exposure factors for residential consumption, what lifetime risk would this pose What concentration would correspond to a risk of 10-6
The center of gravity G of the 20-in. club is located 12 in. from the knob. knowing that at the instant, G has a velocity of 4 ft/s upwards and the club has an angular velocity of 30 rad/s counterclockwise
A 100% saturated soil has a wet unit weight of 112.8 lb/ft^3, and its water content is 42%. Find the void ratio and specific gravity of solids.
What is the maximum safe speed around the curve? If the speed limit on the roadway is 60mph, what action should be taken by the engineer?
If you were asked to perform an excavation contract competitively with limited data, what type of contract would you want and why?
Calculate the ozone column amount in DU, corresponding to the pressure profile and ozone concentrations given above. Recall Avogadro's number, NA = 6.0 × 1023 molecules per mole, from which one can calculate [O3]= ..
A gas solution has the following composition, Oxygen = 35 g Nitrogen = 40 g Neon = 25 g Calculate mass fractions of all components. If you remove Neon, how much you have to remove to reduce mass fraction to 0.1
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