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One-half kilogram of water executes a Carnot power cycle. During the isothermal expansion, the water is heated until it is a saturated vapor from an initial state where the pressure is 1.5 MPa and the quality is 25%. The vapor then expands adiabatically to pressure of 100 kPa while doing 403.8 kJ/kg of work.
a) Evaluate the heat and work for each process, in kJ.
b) Evaluate the thermal efficiency.
a motorist traveling along a straight portion of a highway is decreasing the speed of his automobile at a constant rate
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Convert the composition of the following alloy from atom percent to weight percent (a) 44.8 at% of silver, (b) 46.3 at% of gold, and (c) 8.9 at% of Cu. Assume that the atomic weights for silver, gold and copper are, respectively, 107.87, 196.97 an..
an engine of mass 180 kg is to be supported on four helical springs. when the engine speed is 900 rpm there is a
image text transcribed for accessibility write the combustion equation for the complete combustion of methane in a
A machine component of square cross- section is subjected to a direct tensile of 20 kn and a shear load of 10 kN. Considering the maximum normal stress theory and distortion energy theory of failure calculate the dimension of the component. Take fact..
a computer cpu chip operates at steady state with d-c electrical input of 4.5 amps at 9 volts. to prevent the chip from
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the compressor and turbine of a simple gas turbine engine each have isentropic efficiencies of 95. the compressor
a corroded metal plate was found in a submerged ocean vessel. the original dimensions of the plate were 25 x 10 x 5 cm.
Air at 22 kPa, 220K and 250 m/s enters a turbojet engine in flight at an altitude of 10,000m. The diffusor slows the air down to a very low speed relative to its inlet. The pressure ratio across the compressor is 12. The turbine inlet temperature is ..
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