Question: A heat engine cycle is executed with steam in the saturation dome ( on or under the curve ) . The pressure of steam is

"A heat engine cycle is executed with steam in the saturation dome (on or under the curve). The pressure of steam is 3 MPa during heat addition, and 0.1 MPa during heat rejection. The highest possible efficiency (in decimals - do not write 5%, write as 0.05) of this heat engine is ?"

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