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"Water is the working fluid in an ideal regenerative Rankine cycle with one open feedwater heater. Steam enters the turbine at 1400 lbf/in^2 and 1000 degrees F and expands it to 120 lbf/in^2, where some of the steam is extracted and diverted to the open feedwater heater operating at 120 lbf/in^2. The remaining steam expands through the second-stage turbine to the condenser pressure of 2 lbf/in^2. Saturated liquid exits the open feedwater heater at 120 lbf/in^2. The net power output of the cycle is 1x10^9 Btu/h. Determine for the cyclea) the mass flow rate of steam entering the first stage of the turbine, in lb/hb) the rate of heat transfer, in Btu/h, to the working fluid passing through the steam generator.c) the thermal efficiency"
Water enters a 2 meter diameter pipe at a temperature of 23 deg C. The water leaves the pipe at a temperature of 97 deg C The laminar flow rate is such that the Reynolds number is 800. What is the mass flow rate?
Determine the force in member BC. After the truss is sectioned use a single equation of equilibrium for the calculation of each force. State if these member is in tension or compression. Take F1 = 2 kN , F2 = F3 = 3.8kN , F4 = 5 kN, F5 = 3 kN.
why is the carnot cycle not suitable as an ideal cycle for all the power producing devices ?
Calculate the deflection of the simply supported beam at the center. The material is A36 steel and calculate the deflection of the simply supported beam at the center. The material is A36 steel and the beam is ten feet long.
A turbine salesman makes the following claim for one of his products: Steam enters a steady-flow adiabatic turbine at 4 MPa, 600 °C with negligible velocity and exhausts at 200 kPa with a velocity of 180 m/s
a satellite is in earth orbit with an altitude at perigee of 555.0 km and an altitude at apogee of 1200.0 km.a. what is
Kinetics of Particles : Newton's Second Law, Determine the maximum theoretical speed that may be achieved over a distance of 50 m by a car starting from rest
what are the properties of petrol that it make particularly suitable for the use as fuel in a motor vehicle.
What are stress concentrations, what causes them, and why should engineers be concerned about them?
Calculate the force of attraction between a K+ cation and a O2- anion, the centers of which are separated by a distance of 1.5 nm.
you are an industrial hygienist for a large distributor of industrial compressed gases who was evacuated to baton rouge
A new cast iron pipe is 5 km long and 15 mm diameter is used to convey water at a rate of 0.0150m3s-1. Given the absolute roughness of the pipe is 0.26 mm, density of water is 998 kg/m3 and dynamic viscosity of water is 1.14 × 10-3 kgm 1s-1.
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