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A Rankine cycle with superheat is to be designed using water as the working fluid. The boiler pressure will be 1000 psia and the peak temperature will be 900 °F. (a) Determine the temperature required for the condenser if the expansion through the turbine is isentropic, and the vapor is to be saturated at the outlet of the turbine. (b) Determine the temperature of the condenser if the expansion through the turbine is isentropic, but the vapor leaving the turbine is to have a quality of 94%. (c) Determine the temperature of the condenser if the turbine operates with an adiabatic turbine efficiency of 94%, and the vapor leaving the turbine is to be saturated.
an ideal brayton cycle has reheat between the first and second staged turbines and regeneration following the second
a piston-cylinder device contains 5 kg of r134a at 800 kpa and 60 c. the refrigerant is now cooled at constant pressure
A uniform bar of length l and weight w is suspended symmetrically by two strings, set up the differential equation of motion for small angular oscillations of the bar about the vertical axis, and determine its period.
a 1.5 ton crate is hoisted by three steel wires. Each wire is 1/4 in in diameter and each wire carries one-thired of the load. Determine the stress in each of the wires.
a motorist decreases the speed of an automobile at a constant rate from 45 to 30 mih over a distance of 750 ft along a
a basketball of mass 0.570 kg is dropped from rest from a height of 1.25 m. it rebounds to a height of 0.734 m. a how
an experiment was carried out to calculate forces acting in two members of a pin-jointed framework due to different
the water level in a sealed tank is 26 m above the ground. the pressure in the air space above the water is 0.25 mpa
Air exits from the nozzle at 800m/s. find the air exit temperature from the compressor.
Design a mask set and process flow that would produce a 50000 Ohm resistor patterned onto the surface of an initially n type silicon wafer (0.18 Ohm-cm, phosphorous doped).
a 15-hp shaft pump is used to raise water to a 45-m higher elevation.if the mechanical efficiency of the pump is 82
thecoaster cars are lifted up the initial hill which has a height of 85 feet and released at the top of the hill with a
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