Final_F95

# Final_F95 - ME326:THERMODYNAMICS I FinalExam,Dec.11,1995...

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ME 326: THERMODYNAMICS I Final Exam, Dec. 11, 1995 Open Book Section 1) (20%) A steam power  plant (Rankine cycle) operates as shown  below.  The turbine efficiency is 75% and  the pump  is isentropic. (a) Fill in the state table except where XXX appears. (b) What is the thermal efficiency  η R  of the plant? State T(°C) P(kPa) h(kJ/kg) s(kJ/kg•K) x 1 (              ) 8 (              ) (              ) 0.0 2 (              ) 1000 (              ) (              ) XXX 3 600 1000 (              ) (              ) XXX 4s (              ) 8 (              ) (              ) (              ) 4a (              ) 8 (              ) XXX XXX 1 2 3 4 pump condenser turbine boiler and superhtr

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2) (20%) 1 4 2 3 Com Tur Qh nozzle 5
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Final_F95 - ME326:THERMODYNAMICS I FinalExam,Dec.11,1995...

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