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)

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