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A Rankine cycle has a boiler pressure of 2500 psi and a condenser pressure of 1psi. The temperature at the inlet of the turbine is 800F. The turbine has an isentropic efficiency of 90 percent and the pump operates isentropically. The net work of the cycle is 1000kW of power. Determine: the mass flow rate,the power produced by the turbine, the rate of heat supplied to the boiler and the thermal efficiency.
Determine the smallest horizontal force P required to move the wedge to the right. The coefficient of static friction at all contacting surfaces is mu_s = 0.6. Set theta = 14^\circ and F = 490N . Neglect the weight of the wedge.
A 1-kg block of dry ice(solid CO2) becomes a gas at room temperature. calculate the volume of gas produced at 25 degrees celsius and 975 kPa.
If the internal pressure of the aircraft interior is 100 kPa, what is the outward force on a window. the window is flat and has an elliptical shape wiht lengths of 300 mm along the major axis and 200 mm along the minor axis.
At the end of 15 years, the first motor will have a salvage value of $50 and the second motor will have a salvage value of $100. consider the MARR to be 8%. (note : 1HP=0.7457 kw). Determine which motor should be installed based on the PW criterio..
1. why the prediction are less than the observed result of connection in tension experiment?2. what difference does the
For some minerals color is a diagnostic property making identification rather easy. However, certain minerals can also occur in a wide variety of colors making color a poor tool for identification. List different colors for the mineral quartz lo..
You are to assume that seawater at 77oF will be used in the tank and the curved portion forms a quarter of a circle. The tank is open to the atmosphere. The overall height, h2, is 20ft deep. The radius of the curve, R, is 5ft. The width of the..
The beam is simply supported and spans 25 feet. The beam must be designed for a superimposed uniformly distributed dead load of 1 kip/ft, and a concentrated live load of 12 kips that acts 10 feet from one of the supports.
Water enters a very wide rectangular channel (Manning's n = 0.0149) at a velocity of 12.2 ms-1 and a depth of 0.61 m. An H3 curve forms downstream and the water jumps to a depth of 2.4 m some distance downstream.
Compute the detention time and horizontal flow through velocity. Do these values satisfy the standards for water works, which stipulate detention time is greater and equal to 30 min and 0.5 ft/min =
air enters a turbine operating at steady state at 8 bar, 1127 C and exits at 1.5 bar, 347 C. The heat transfer from the turbine to its surroundings is 10 kJ/kg of air flowing through the turbine.
Describe the breakthrough curve you would expect for transport of a non-reactive solute injected as a finite pulse of duration 1 hour in a designed steady stat
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