問題詳情

5. Consider a heat engine operating in a closed cycle, as illustrated in Figure 4. The cycle begins at initial state i and involves a irreversible process leading to final state f, followed by an reversible process returning the system from state f back to i Choose the correct description from the following options, based on this cycle that commences from state i:


(A)


(B)


(C) In the entire cycle i →  f →i  the cyclic integral


(D) the integral


(E) In the process from i to f, the system releases heat.

參考答案

答案:99

統計:A:0,B:0,C:0,D:0,E:0

難度:計算中