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Steam flow rate [kg/s] for a reheat-regenerative steam power plant which is to produce 200 MW of electricity. The turbine drives a generator with an efficiency of 94%. The turbine inlet conditions are 160 bar and 590 C; after reheat the steam is at 100 bar and 590 C; one closed heater is at 30 bar; an open feedwater heater is at 1.5 bar; and the condenser pressure is 0.10 bar. The turbine and pump efficiencies are 100%. The terminal temperature difference from both heaters is 3 C, and the drain from the closed heater is trapped to the open heater. The extracted steam exiting the closed heater is saturated liquid Also sketch the cycle on a T-s state diagram.
a 100-mm long and 20-mm diameter rod of 403-stainless steel is pulled to fracture with reported results as follows
Determine maximum total bending moment (static plus dynamic) of the beam under steady-state conditions.
Design the pump power and the diameter of brunching pipes D1, D2, D3, so that the flow rate coming into all buildings are Q1=Q2=Q3=4.5m^3/hr, when all four valves v, V1, V2, V3 are open.
after pumping stops and a new equilibrium is reached the tire pressure is 600 kp a and the air temperature in the tire
a room that normally contains 40 people is to be air-conditioned with window air- conditioning units of 5-kw cooling
the walls of an insulated lunch box are made of inch-thick styrofoam with a thermal conductivity of 0.05wmk. if an ice
A rigid tank contains water vapor at 200 degrees celcius and unknown pressure. When the tank is cooled to 150 degrees celcius, the vapor starts condensing. Estimate the initial pressure in the tank.
given an aerodynamic body you have learned in aerodynamics and flight mechanics how to apply the numerical source panel
Employing the ideal gas model, determine the change in specific entropy between the indicated states, in Btu/lbmol?ºR. Solve 2 ways: Use the appropriate ideal gas table AND also by using a constant specific heat value.
Determine the force in each of the members connecting joints A through F of the vaulted roof truss shown. State whether each member is in tension or compression.
for a vertical cylinder with an electric heater 2500watt at the basean inletlower part of cylinder with cold water at
the horizontal motion of the plunger and shaft is arrested by the resistance of the attached disk which moves through
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