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The oil-level is indicated with a level gauge and is measured through____ () A. a sounding pipeB. crankcaseC. air ventD. the manhole of the sump tank

The oil-level is indicated with a level gauge and is measured through____ ()

  • A. a sounding pipe
  • B. crankcase
  • C. air vent
  • D. the manhole of the sump tank

题目解答

答案

这道题目是关于油位测量的方法。题目中提到油位是通过油位计指示的,而油位计需要通过某种方式来测量油位。我们需要选择正确的测量方式。 选项分析: - A. a sounding pipe(测深管):测深管是一种常见的测量液体深度的管道,通常用于油舱、油箱等容器中测量油位。通过将测深管插入油中,可以测量油位的高度。 - B. crankcase(曲轴箱):曲轴箱是发动机的一部分,用于容纳曲轴和相关部件,通常不用于直接测量油位。 - C. air vent(空气通风口):空气通风口用于保持容器内外的气压平衡,通常不用于测量油位。 - D. the manhole of the sump tank(集油箱的人孔):人孔是用于检修和维护的开口,通常不用于直接测量油位。 根据以上分析,最合理的测量油位的方式是通过测深管(sounding pipe)。 因此,正确答案是: A. a sounding pipe

解析

本题考查油位测量的方法,核心在于理解油位计(level gauge)的工作原理及常见测量工具的应用。
关键点:

  1. 油位计需要通过特定设备直接测量油位高度。
  2. 测深管(sounding pipe)是专门用于测量液体深度的装置,常见于油箱、油舱等场景。
  3. 其他选项(如曲轴箱、空气通风口、人孔)的功能与油位测量无直接关联。

选项分析

A. a sounding pipe(测深管)

测深管是插入油箱中的管道,通过测量管内油柱的高度来反映实际油位。这是最直接、最常用的油位测量工具。

B. crankcase(曲轴箱)

曲轴箱是发动机中容纳润滑油的部件,其主要功能是润滑和冷却,不直接用于油位测量。

C. air vent(空气通风口)

空气通风口的作用是平衡油箱内外气压,防止真空或压力积聚,与油位测量无关。

D. the manhole of the sump tank(集油箱的人孔)

人孔用于检修或清洁油箱内部,需打开后才能观察油位,操作不便且非直接测量。

结论:只有测深管(A)能直接、便捷地测量油位。

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