問題詳情
23. Ina steam turbine engine, the_____ is the energy required to spin the turbine backwards inthe atmosphere of exhaust steam.
(A) kinetic energy
(B) blade thermal energy
(C) pressure loss
(D) astern turbine loss
參考答案
答案：D
難度：適中0.4
統計：A(4),B(3),C(5),D(10),E(0)