30. 下列何者情況將會使泵的吸入壓力增大? (A) 吸入口濾網堵塞 (B) 吸入閥關小 (C) 吸高增大 (D) 吸入液面提高

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.

30. 下列何者情況將會使泵的吸入壓力增大?
(A) 吸入口濾網堵塞
(B) 吸入閥關小
(C) 吸高增大
(D) 吸入液面提高

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