14. The objective of ________ is to ensure that the axis of engine shaft is straight, uniformly supported by the bearings and properly positioned longitudinally when the engine is running and under load.
(A) engine parameter adjustment
(B) engine performance
(C) engine alignment
(D) engine power calculation

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統計: A(3), B(6), C(19), D(2), E(0) #3833318

詳解 (共 1 筆)

#7356622
Alignment (或 Shaft Alignment,軸系對中/校中) 
這是一題關於輪機安裝與保養的標準考題。
解析:
Alignment」的目的在於確保引擎軸(Engine shaft)的軸心線在運轉與負載狀態下保持:
  1. Straight (垂直且直線):避免產生額外的彎曲應力。
  2. Uniformly supported (由軸承均勻支撐):防止個別軸承負荷過重導致發熱或損壞。
  3. Properly positioned (正確的縱向位置):確保推力與傳動能正確傳遞。
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