第三节磁罗经与陀螺经的使用.doc

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1、第三节磁罗经与陀螺经的使用0061.WhenanazimuthoftheSunhasbeentakenandthedeviationofthestandardmagneticcompasscomputed，thewatchofficershouldrecordtheresults___C___．当得到天测太阳方位时，值班驾驶员应算出标准罗经的自差并将结果记录在（）里A．Inthevessel'sOfficialLogbook航海日志B．Onthecompassdeviationcard磁罗经自差表C．Inthecompassdeviationlog磁罗

2、经自差记录本D．OnaNapierdiagram奈培图表0145.Whichwouldinfluenceamagneticcompass____D____．下列哪一项对磁罗经有影响（）A．Electricalwiring电线B．Ironpipe铁管C．Radio无线电D．Alloftheabove全是0690.Deviationchangeswithachangein___B___．自差随（）变化而变化A．Latitude纬度B．Heading船首向C．Longitude经度D．Seaconditions海浪情况1203.Magneticvariati

3、onchangeswithachangein___D___．磁差随（）的改变而改变A．thevessel'sheading船首线B．seaconditions海面情况C．seasons季节D．thevessel'sposition船位1202.Linesonachartwhichconnectpointsofequalmagneticvariationarecalled__D___．[799]海图把所有磁差相等的点连接起来的线叫做（）A．Magneticlatitudes磁纬度B．Magneticdeclinations磁赤纬C．Dip磁倾角D．Iso

4、goniclines等磁差线1204.Theagoniclineonanisomagneticchartindicatesthe___C___．[961]等磁差海图上，零磁差线表示（）A．Magneticequator磁赤道B．Magneticlongitudereferenceline磁经线基准线C．Pointswherethereisnovariation所有磁差为零的各点连线D．Pointswherethereisnoannualchangeinvariation磁差年变化率为零的各点连线1205.Theangulardifferencebetw

5、eenthetruemeridian（greatcircleconnectingthegeographicpoles）andthemagneticmeridian（directionofthelinesofmagneticflux）iscalled___B___．真子午线（连接地球南北极之间的大圆）与与磁子午线（磁力线方向）之间的角度差称为（）A．deviation自差B．variation磁差C．error误差D．difference差别1206.Thecompasserrorofamagneticcompassthathasnodeviationi

6、s___B___．[1004]磁罗经误差中，如果没有自差，则该误差（）A．Zero为零B．Equaltovariation等于磁差C．Eliminatedbyadjustingthecompass已经经罗经校正而消除D．Constantatanygeographicallocation在任何地理位置都是恒定的1207.Thedifferencebetweenmagneticheadingandcompassheadingiscalled___B___．船首磁航向与船首罗经航向之间的夹角叫做（）A．Variation磁差B．Deviation自差C．Co

7、mpasserror罗经误差D．Drift流压差1208.Theerrorinamagneticcompasscausedbythevessel'smagnetismiscalled___B__．[1021]由于船舶自身的磁性引起的磁罗经误差叫做（）A．Variation磁差B．Deviation自差C．Compasserror罗经误差D．Bearingerror方位误差0688.Atthemagneticequatorthereisnoinducedmagnetismintheverticalsoftironbecause___C___．在地磁赤道上

8、，没有由垂向软铁产生的感应磁性，这是因为（）A．Thelinesofforcecrossthe