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Steam at 2000 psi and 1200 deg F enters a turbine operating at steady state. Partway through the turbine, 34% of the entering mass flow is extracted at 700 psi and 600 deg F. The rest of the steam exits the turbine as a saturated vapour at 1 psi. The turbine develops 7.3 x 106 Btu/h while heat transfer to the surroundings occurs at a rate of 4.4 x 104 Btu/h. Neglecting changes in kinetic and potential energy; determine the mass flow rate of steam entering the turbine in lbm/s.
a particle travels along the path y2 4x with a constant speed of v 4ms. determine the x and y components of the
steam is flowing in a line at 100 bar. it is flashed out through a valve to 1 bar pressure. the temperature of the
a feedwater heater uses extracted steam p1500kpax1100 to preheat feedwater t250 celcius p2500kpa. assuming no heat
a steel wide flange beam w14 x 26 carries the load. compute the maximum deflection between the supports and at each
imagine that you work for an optical company and must measure and then report on the values of magnification produced
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.
gasoline car enginea gasoline car engine has a compression ratio of 8. air enters the cylinders of the engines at 60of.
consider an air standard otto cycle with a compression ratio of 8. the engine inlet conditions are p100 kpa t290k and
three cstr are to be used in series. the second reactor has a volume twice that of the first and the third reactors.
considerr mach 2 flow in a twodimensional rectangular channel of length 5 m and height 1 m. the bottom wall of the
Air is contained in a piston-cylinder assembly, initially at 40 lbf/in2 and 600 ?R. The air expands in a poly tropic process with n = k = 1.4 until the volume is doubled. Modeling the air as an ideal gas with constant specific heats,
a 3 kg piece of steel is removed from an oven at 700c and placed a water bath.the final temperature of the water is 80c
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