大连理工大学21春《ACAD船舶工程应用》离线作业2参考答案77

大连理工大学21春ACAD船舶工程应用离线作业2参考答案1. AutoCAD软件中，每个图层均有名称，名称最多可达255个字符。( )A.正确B.错误参考答案：A2. In order to accelerate discharging of the main hatches，you are requested to arrange for twIn order to accelerate discharging of the main hatches，you are requested to arrange for two gangs of stevedores to work hatches Nos2 and 4 round the clockA.24 hrs a dayB.16 hrs a dayC.12 hrs a dayD.8 hrs a day正确答案：A3. AutoCAD软件中，船体制图尺寸标注规定尺寸线间距不得小于6mm。( )A.正确B.错误参考答案：B4. The implied condition(s) with respect to the doctrine of deviation in a marine insurance pThe implied condition(s) with respect to the doctrine of deviation in a marine insurance policy is(are) _.A.that the cargo be discharged from the vessel with customary dispatchB.that the voyage be commenced in a reasonable timeC.that the voyage be pursued over the usual and direct routeD.All of the above正确答案：D5. 模型空间又称布局。( )A.正确B.错误参考答案：B6. 在沿海国管辖区域内使用消油剂前，必须事先向当局申请，说明其( )，经批准后方可使用。A.牌号、用量B.在沿海国管辖区域内使用消油剂前，必须事先向当局申请，说明其( )，经批准后方可使用。A.牌号、用量B.使用地点C.牌号、用量、使用地点正确答案：C7. 27空气泡沫群中的气体是空气27空气泡沫群中的气体是空气此题为判断题(对，错)。正确答案：8. 哪类文字的特点是其每行文字都是独立的对象，可以单独对各行文字进行定位、修改内容等编辑操作?( )A.单行文字B.多行文字参考答案：A9. id命令不可以作为透明命令使用。( )A.正确B.错误参考答案：B10. 在AutoCAD中，拉长某对象时，采用下列中的哪一命令?( )A.stretchB.scaleC.lengthenD.extend参考答案：C11. AutoCAD软件中的标准线型库提供了60多种线型。( )A.错误B.正确参考答案：A12. 落水后，落水人员应马上脱去外衣，因为外衣吸水会妨碍落水者的行动。落水后，落水人员应马上脱去外衣，因为外衣吸水会妨碍落水者的行动。此题为判断题(对，错)。正确答案：13. AutoCAD2006的下拉菜单包括多少项?( )A.10B.11C.12D.13参考答案：B14. The external flotation bladder of an immersion suit should be inflated _.A.only afterThe external flotation bladder of an immersion suit should be inflated _.A.only after two hours in the waterB.only after four hours in the waterC.before entry into the waterD.upon entry into the water正确答案：D15. The load line certificate is issued by _.A.CCSB.the National Cargo BureauC.MSAD.PRC CThe load line certificate is issued by _.A.CCSB.the National Cargo BureauC.MSAD.PRC Customs正确答案：A16. 风压差系数K值应由_。A.船长确定B.经验估计C.查表得出D.测定风压差2030次后，根据风压差公风压差系数K值应由_。A.船长确定B.经验估计C.查表得出D.测定风压差2030次后，根据风压差公式反推出其平均值正确答案：D17. 昏厥是没有预兆的。昏厥是没有预兆的。此题为判断题(对，错)。正确答案：18. High concentrations of H2S gas are most dangerous to personnel because they can _.A.cHigh concentrations of H2S gas are most dangerous to personnel because they can _.A.cause involuntary muscle contractionsB.paralyze your breathing systemC.cause eye inflammationD.cause dizziness正确答案：B19. AutoCAD图形文件中可作为样板文件的格式为( )。A.dwgB.dwsC.dwtD.dxf参考答案：C20. 在救生艇筏激烈颠簸时，全体乘员立即服用_。A.淡水B.食物C.晕船药在救生艇筏激烈颠簸时，全体乘员立即服用_。A.淡水B.食物C.晕船药正确答案：C21. A fire has broken out on the stern of your vessel. You should maneuver your vessel so theA fire has broken out on the stern of your vessel. You should maneuver your vessel so the wind _.A.comes over the bowB.blows the fire back toward the vesselC.comes over the sternD.comes over either beam正确答案：A22. 如果周围水域布满油污，但未燃烧，人员应尽量抬高头部，避免油污接触到眼睛、鼻腔及口腔。如果周围水域布满油污，但未燃烧，人员应尽量抬高头部，避免油污接触到眼睛、鼻腔及口腔。此题为判断题(对，错)。正确答案：23. The stability which remains after a compartment is flooded is called _.A.intact stabiThe stability which remains after a compartment is flooded is called _.A.intact stabilityB.initial stabilityC.immersion stabilityD.damage stability正确答案：D24. 拖缆机在制动、拖曳和回收拖缆操作时，应在( )情况下能从驾驶室应急释放拖缆。A.制动B.作业C.正常动力源发生故障D.任何情况下参考答案：D25. What will NOT be found on the Certificate of Inspection of an ocean going tanker?A.ManningWhat will NOT be found on the Certificate of Inspection of an ocean going tanker?A.Manning requirementsB.Minimum freeboard permittedC.Grade(s) of cargoes that the vessel may carryD.Waters upon which the vessel may be operated正确答案：B26. 你船夜间全速前进时，发现舵叶丢失，应。A.立即关闭舷灯尾灯B.立即关闭桅灯，并显示两盏红灯C.A、你船夜间全速前进时，发现舵叶丢失，应。A.立即关闭舷灯尾灯B.立即关闭桅灯，并显示两盏红灯C.A、B均正确D.A、B均不正确正确答案：B27. _是世界上最毒的鱼类之一。A.鲨鱼B.鲉鱼C.刺魨_是世界上最毒的鱼类之一。A.鲨鱼B.鲉鱼C.刺魨正确答案：B28. 在命令行中执行ablock命令创建外部块。( )A.正确B.错误参考答案：B29. A list man would expect to see any of the following light signals EXCEPT _.A.two redA list man would expect to see any of the following light signals EXCEPT _.A.two red lightsB.one green lightC.one white lightD.one amber light正确答案：D30. 以下哪些操作需要指定基点，然后根据基点再指定新的位移点?( )A.拉伸对象B.移动对象C.旋转对象参考答案：ABC31. 设置绘图单位命令为( )。A.LIMITSB.LIMITC.UNITSD.UNIT参考答案：C32. To shore up the main deck for the stowage of deck cargo means to _.A.weld pad eyesTo shore up the main deck for the stowage of deck cargo means to _.A.weld pad eyes on deck in proper position to secure the cargoB.strengthen the main deck by placing pillars underneath it in the tween-decksC.distribute the weight of the cargo by placing fore-and-aft planks on the main deckD.package the cargo in wooden crates so it will not damage the deck正确答案：B33. ACAD中“点”菜单中有哪些项?( )A.单点B.多点C.定数等分D.定距等分参考答案：ABCD34. 在AutoCAD中，绘制点调用Divide命令。( )A.错误B.正确参考答案：A35. 产生在东亚的锋面气旋如果在移动中没有消失，则该气旋最终将： A折向东或东南朝流球半岛东南洋面移去 B向产生在东亚的锋面气旋如果在移动中没有消失，则该气旋最终将：A折向东或东南朝流球半岛东南洋面移去B向东南入海南下，在热带洋面上锢囚消失C移向阿留申群岛一带锢囚消失 D自西南向东北入海后随即锢囚消失C36. AutoCAD中尺寸标注的类型有哪些?( )A.连续B.线性C.快速引线D.基线E.直径F.直线参考答案：ABCDEF37. 中暑应以预防为主。中暑应以预防为主。此题为判断题(对，错)。正确答案：38. AutoCAD软件中，船体制图尺寸标注规定尺寸线间距不得小于6mm。( )A.错误B.正确参考答案：A39. 在各种雾中，水平范围最广、持续时间最长的雾是： A辐射雾 B蒸发雾 C锋面雾 D平流雾在各种雾中，水平范围最广、持续时间最长的雾是：A.辐射雾B.蒸发雾C.锋面雾D.平流雾D40. AutoCAD中，通过指定坐标的方式指定点位置是绘图过程中最常用的一种拾取点方法。( )A.错误B.正确参考答案：B41. After an occurrence of oil pollution，what shall be done first by a vessel in Chinese port？After an occurrence of oil pollution，what shall be done first by a vessel in Chinese port？ _.A.use oil dispersion agent and wait for investigationB.try to collect the oil on deck or in waterC.report to Harbor MasterD.B and C正确答案：D42. 船用小舱口盖按其密性可分为( )。A.风雨密B.非风雨密C.油密D.非油密参考答案：ABC43. 逆温层之所以具有稳定的功能是因为： A底部空气较暖较轻，而顶部则较冷较重 B底部空气较冷较重，而顶部则逆温层之所以具有稳定的功能是因为：A底部空气较暖较轻，而顶部则较冷较重B底部空气较冷较重，而顶部则较暖较轻C底部和顶部空气质量均匀D底部和顶部空气温度均匀B44. 侧移式舱口盖通常由一块或两块盖板组成，舱口盖上设有滚行装置、顶升装置、密封装置、链接装置、限位装置及驱动装置。( )A.正确B.错误参考答案：A45. 孤岛检测有多个填充方式，包括下列( )等。A.普通B.外部C.内部D.忽略参考答案：ABD46. 如果海面波涛汹涌，则可以转动身体使脸部朝下浮在水中，此种方法称为_。A.HELP姿势B.趴浮姿势C.如果海面波涛汹涌，则可以转动身体使脸部朝下浮在水中，此种方法称为_。A.HELP姿势B.趴浮姿势C.防止溺水的方法正确答案：C47. 下列说法正确的是( )。A.insert是直接插入图块B.measure是定数插入图块C.divide是定距插入图块D.minsert只能以矩形阵列插入图块参考答案：AD48. 穿着气胀式救生衣落水后，应用牙齿将气嘴向前顶紧吹气，交替将左右气室吹胀以增加浮力。穿着气胀式救生衣落水后，应用牙齿将气嘴向前顶紧吹气，交替将左右气室吹胀以增加浮力。此题为判断题(对，错)。正确答案：49. 船体大破洞可用床垫等卧具填塞，再覆以木板，用木柱支撑固定;若水压太大，可于船体外敷设堵漏毯。船体大破洞可用床垫等卧具填塞，再覆以木板，用木柱支撑固定;若水压太大，可于船体外敷设堵漏毯。此题为判断题(对，错)。正确答案：50. A negative metacentric height _.A.should always be immediately correctedB.will alwaysA negative metacentric height _.A.should always be immediately correctedB.will always cause a vessel to capsizeC.always results from off-center weightsD.All of the above are correct正确答案：A