轮机部三管轮考试模拟题6(轮机英语)

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  • 卷面总分:100分
  • 试卷类型:模拟考试
  • 测试费用:免费
  • 答案解析:是
  • 练习次数:4次
  • 作答时间:180分钟
试卷简介

轮机部三管轮考试模拟题6(轮机英语),本试卷是为考船舶三管轮专业考试的考生准备的轮机英语试题及答案练习。

  • 单项选择题
试卷预览
1

During the deck repair, ____ should be measured firstly before tail shaft is drawn out.

  • A.the sinking of tail shaft
  • B.the clearance of stern bearing
  • C.the total flexure of both end bearing
  • D.main engine crankshaft deflection
5

The time of discharging oil is short, but oily water separator discharges oil frequentlyThe possible reason is ____.

  • A.the sensor of low oil level is fully covered by sludge
  • B.the coarse strainer before the pump in suction system is clogged
  • C.the screw pump is worn seriously and volumetric efficiency is decreased
  • D.bilge suction value is clogged
5

To prevent the build up of high stresses engine must not be run continuously _____.

  • A.faster than dead slow speed
  • B.slower than dead slow speed
  • C.with the output of MCR
  • D.at critical speeds
5

Dirty oil must be _____ before being used again.

  • A.mixed with clean oil
  • B.purified
  • C.heated
  • D.strained
5

Which of the following statements is true concerning the overall efficiency of air compressors?

  • A.High pressure compressors are more efficient than low pressure compressors
  • B.Mechanical efficiency divided by compressor efficiency will equal the overall efficiency of the compressor unit
  • C.Two stage compressors are generally more efficient than single stage compressors
  • D.The volumetric efficiency is decreased in multistage compressors
5

Which of the following items don’t belong to dock repair works?

  • A.making the repair list, booking spare parts and special tools for the dock repair
  • B.shutting off all of the S.W valves to outboard
  • C.the sketches or diagrams used for the dock repair
  • D.cleaning up the oil tank and boiler before enter the dock
5

Before the oily water is installed on board ships, it must have ____.

  • A.IOPP
  • B.type approval certificate
  • C.cargo ship safety equipment certificate
  • D.cargo ship safety certificate