Steam at 10 MPa, 500 oC enters an ideal engine that has one stage of reheat; exhaust is at 50 kPa and 85% quality. The work produced by the engine is 800 kJ/kg of steam. Determine the thermal efficiency of the engine. Sketch the schematic diagram with named points and indicating the given conditions and draw the corresponding diagram indicating the operating pressures. Determine the specific enthalpies of  the throttle steam and exhaust steam. Compute the absorbed by the steam in the reheater. Calculate the energy chargeable against the engine and its thermal efficiency.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Steam at 10 MPa, 500 oC enters an ideal engine that has one stage of reheat; exhaust is at 50 kPa and 85% quality. The work produced by the engine is 800 kJ/kg of steam. Determine the thermal efficiency of the engine.

  1. Sketch the schematic diagram with named points and indicating the given conditions and draw the corresponding diagram indicating the operating pressures.
  2. Determine the specific enthalpies of  the throttle steam and exhaust steam.
  3. Compute the absorbed by the steam in the reheater.
  4. Calculate the energy chargeable against the engine and its thermal efficiency.
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