問題詳情

24. Fora reaction type of steam turbine, which device is used to counteract the sizable axial force generated in the moving blades?
(A) Rotating counter balance weight
(B) Dummy piston
(C) Throttle governer
(D) Labyrinth packing

參考答案

答案:B
難度:困難0.363636
統計:A(4),B(8),C(2),D(4),E(0)

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