問題詳情
11. A heat engine performs the reversible cycle abca with 9.0 moles of an ideal gas, as shown in the figure. Path ca is an adiabatic process. The temperatures at points a and b are 300 K and 500 K, respectively. The volume at point c is 0.20 m3. The adiabatic constant of the gas is 1.60. The thermal efficiency of this engine is closest to
(A)0.13,
(B) 0.10,
(C) 0.16,
(D) 0.07,
(E) 0.19.
參考答案
答案：C
統計：A:0,B:0,C:0,D:0,E:0
難度：計算中