25. 下列何種裝置並非利用離心力的作用，將流體中之油、水或雜質分離？ (A) 油水分離器 (B) 沉澱櫃 (C) 淨油機 (D) 潔油機

6. Before the initial start of the engine after its installation, perform correct inspection and operational preparation and make sure there is no abnormality. Which one is incorrect? (A) Close the lubricating oil priming pump and the pressure indicator cocks of all the cylinders. (B) While turning the flywheel, make sure the lubricating oil is dropping from each part of the valve rocker arm shafts, piston pins, main bearings and swing arms. (C) Bleed the air from the lubricating oil strainer. (D) Manually lubricate the governor linkage, and make sure it moves smoothly.

25. 下列何種裝置並非利用離心力的作用，將流體中之油、水或雜質分離？
(A) 油水分離器
(B) 沉澱櫃
(C) 淨油機
(D) 潔油機

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