Bearing

题目

Bearing

相似考题

1.The machine has stopped rotating because the bearing _____ the shaft.A.seizedB.cloggedC.meltedD.inserted

2.Shorter pulse lengths which may be repeated at a faster rate (higher pulse repetition frequency) on short ranges will give______at those ranges．A.Good Bearing discriminationB.Good Range discriminationC.Poor Bearing discriminationD.Poor Range discrimination

3.A compass card without north-seeking capability that is used for relative bearings is a（n）______．A.Bearing circleB.PelorusC.Bearing barD.Alidade

4.Risk of collision may exist ______.A.if the compass bearing of an approaching vessel does NOT appreciably changeB.even when an appreciable bearing change is evident, particularly when approaching a vessel at close rangeC.if you observe both sidelights of a vessel ahead for an extended period of timeD.All of the above

更多“Bearing”相关问题

  • 第1题：

    英译汉：bearing


    正确答案: 轴承

  • 第2题：

    单选题
    Risk of collision exists when an approaching vessel has a(n)（）.
    A

    generally steady bearing and decreasing range

    B

    generally steady range and increasing bearing

    C

    increasing range and bearing

    D

    decreasing bearing only


    正确答案： C
    解析： 暂无解析

  • 第3题：

    单选题
    As to the bearing, of the following, which statement is not true?（）
    A

    ff overheat is found, the engine must be stopped for inspection

    B

    Much heat of the crankcase door indicates that the bearing is overheated

    C

    If bearing clearance is too large, knocking will be heard in the crankcase

    D

    If bearing clearance is too large or too small, the white metal may be melted


    正确答案： A
    解析： 暂无解析

  • 第4题：

    单选题
    In the management of the shafting, because（） carry heavy load and caused high temperature easily, it should be paid attention.
    A

    the bearing near to the diesel engine

    B

    the intermediate bearing near to the thrust bearing

    C

    the intermediate bearing near to the sterntube

    D

    the bearing located at the middle of the diesel engine and the sterntube


    正确答案： C
    解析： 暂无解析

  • 第5题：

    单选题
    Shims of different thicknesses are inserted between the shells to enable adjustment of （）.
    A

    the bearing clearances

    B

    the bearing thickness

    C

    the bearing strength

    D

    the bridge hardness


    正确答案： B
    解析： 暂无解析

  • 第6题：

    名词解释题
    Bearing

    正确答案： 轴承
    解析： 暂无解析

  • 第7题：

    单选题
    Risk of collision may exist（）.
    A

    if the compass bearing of an approaching vessel does not appreciably change

    B

    even when an appreciable bearing change is evident, particularly when approaching a vessel at close range

    C

    if you observe both sidelights of a vessel ahead for an extended period of time

    D

    All of the above


    正确答案： B
    解析： 暂无解析

  • 第8题：

    单选题
    The main bearing shells are made of steel with a lining of bearing metal which may be white metal, copper-lead or aluminum-tin alloy What is the meaning of “which” in the sentence above?（）
    A

    main bearing shells

    B

    main bearing

    C

    steel

    D

    bearing metal


    正确答案： B
    解析： 暂无解析

  • 第9题：

    单选题
    The insertion of shims between the foot of a marine type connecting rod and a bearing box would result in （）
    A

    increased compression ratio

    B

    decreased compression ratio

    C

    increased bearing clearance

    D

    decreased bearing clearance


    正确答案： B
    解析： 暂无解析

  • 第10题：

    单选题
    While inspecting the main bearings on a diesel engine you find impregnated dirt and scratches in the bearing surface you would, therefore, suspect that （）
    A

    the bearing had been overheated

    B

    water was present in the oil

    C

    the lube oil was not being properly filtered

    D

    the maximum allowable bearing pressure had been exceeded


    正确答案： D
    解析： 暂无解析

  • 第11题：

    单选题
    Which of the following radar contacts will present the most immediate danger?（）.
    A

    A vessel on the starboard bow whose bearing is changing and range is decreasing

    B

    A vessel on the starboard bow whose bearing is steady and range is increasing

    C

    A vessel on the port bow whose bearing is steady and range is decreasing

    D

    A vessel on the port bow whose bearing is changing to the left and range decreasing


    正确答案： D
    解析： 暂无解析

  • 第12题：

    Bsc-Bearing Air Not Ok翻译为：轴承空气过大。


    正确答案:错误

  • 第13题：

    单选题
    Risk of collision may be deemed to exist（）.
    A

    if the compass bearing of an approaching vessel does not appreciably change

    B

    even when an appreciable bearing change is evident, particularly when approaching a vessel at close range

    C

    if you observe both sidelights of a vessel ahead for an extended period of time

    D

    All of the above


    正确答案： D
    解析： 暂无解析

  • 第14题：

    名词解释题
    英译汉：bearing

    正确答案： 轴承
    解析： 暂无解析

  • 第15题：

    单选题
    In an engine with a pot-shaped piston, some lubricating oil from the main bearing will pass along a （） in the crankshaft to the bottom end bearing andthen up a connection rod to the gudgeon pin.
    A

    telescopic pipes

    B

    large bore

    C

    drilled passage

    D

    tied rod


    正确答案： C
    解析： 暂无解析

  • 第16题：

    单选题
    Which of the following operating conditions can occur when shims are removed from the joint between the foot of a marine type diesel engine connecting rod and the bearing box?（）
    A

    Decreased connecting rod bearing clearance

    B

    Increased connecting rod bearing clearance

    C

    Decreased compression ratio

    D

    Increased compression ratio


    正确答案： C
    解析： 暂无解析

  • 第17题：

    单选题
    An indirect radar echo is caused by a reflection of the main lobe of the radar beam off the observer’s vessel. Which of the following is NOT a characteristic of indirect echoes?（）.
    A

    Their bearing is almost constant，even when the true bearing of the contact changes appreciably

    B

    They always appear on a bearing of 90°from the true bearing of the contact

    C

    The indirect echoes usually appear in shadow sectors

    D

    When plotted，their movements are usually abnormal


    正确答案： B
    解析： 暂无解析

  • 第18题：

    单选题
    When the bearing becomes dry from lack of oil, the motor shaft may heat to （）an extent （） it welds itself to the bearing.
    A

    either；or

    B

    neither；nor

    C

    such；that

    D

    so；that


    正确答案： A
    解析： 暂无解析

  • 第19题：

    单选题
    To guarantee that a reduction gear bearing is receiving proper oil supply, you should check the （）
    A

    lube oil temperature at the cooler outlet

    B

    lube oil strainer magnets bearing

    C

    lube oil temperature

    D

    lube oil pressure to the bearing


    正确答案： A
    解析： 暂无解析

  • 第20题：

    单选题
    To determine the main bearing clearance of a propulsion diesel engine, you should measure the main bearing shell using a ball anvil outside micrometer and measure the crankshaft journal using a/an （）
    A

    telescoping

    B

    ring ‘snap’ gauge

    C

    inside vernier caliper

    D

    outside micrometer


    正确答案： A
    解析： 暂无解析

  • 第21题：

    单选题
    Lubricating oil used in a diesel engine serves to（）
    A

    reduce the wear of bearing surfaces

    B

    cool the bearing surfaces

    C

    assist in sealing bearing surfaces

    D

    all of the above


    正确答案： D
    解析： 暂无解析

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