1103第三节磁罗经与陀螺经的使用

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.Magneticvariationchangeswithachangein___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．Isogoniclines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.Theangulardifferencebetweenthetruemeridian（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.Thecompasserrorofamagneticcompassthathasnodeviationis___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．Compasserror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，没有由垂向软铁产生的感应磁性，这是因为（）A．Thelinesofforcecrosstheequatorona0°-180°alignment在地磁赤道上磁力线与地磁赤道成0°-180°交角B．Thequadrantalerroris0°在地磁赤道上象限误差为0°C．ThereisnoverticalcomponentoftheEarth'smagneticfield在地磁赤道上地磁力分量为0D．Theintercardinalheadingshavelessthan1°error在地磁赤道上船艏向在隅点方位上的误差小于1°0701.Thepointsontheearth'ssurfacewherethemagneticdipis90°are__D____．[1139]地球表面上，磁倾角为90°的地区是（）A．Alongthemagneticequator地磁赤道上B．Connectedbytheisoclinalline由等磁差线连接C．Theisopors（isophers）等温线D．Themagneticpoles地磁极1212.Thelinewhichconnectsthepointsofzeromagneticdipis___B___．[1068]地球表面上各磁倾角为零的点的连线是（）A．Anagonicline零磁差线B．Themagneticequator磁赤道C．Amagneticmeridian磁子午线D．Alloftheabove以上全是1213.ThemagneticcompassmagnetsareactedonbythehorizontalcomponentoftheEarth'stotalmagneticforce．ThismagneticforceisGREATESTatthe___D___．[1077]磁罗经指针的指向是由地球磁力线的横向分力引起的，该横向分力在（）处最大A．northmagneticpole磁极B．southmagneticpole磁南极C．magneticprimeverticalmeridian大圆磁子午线D．magneticequator磁赤道1220.Thetotalmagneticeffectswhichcausedeviationofavessel'scompasscanbebrokendownintoaseriesofcomponentswhicharereferredtoas___B___．对船上的磁罗经产生影响的地磁力可分为各种分量，这些分量可叫做（）A．divisionalparts分割的部分B．coefficients系数C．fractionalparts分数的部分D．equations等式1224.Whataretheonlymagneticcompasscorrectorsthatcorrectforbothpermanentandinducedeffectsofmagnetism_____B___．[1336]磁罗经校正磁铁中，哪一类校正磁铁既可校正固定磁性又可校正感应磁性（）A．Quadrantalspheres象限软铁球B．Heelingmagnets倾斜校正磁铁C．Athwartshipsmagnets横向校正磁铁D．Fore-and-aftmagnets纵向校正磁铁1227.Whatisusedtocorrectforbothinducedandpermanentmagnetism，andconsequentlymustbereadjustedwithradicalchangesinlatitude___D_____．[1406]下列哪一种校正磁铁既可校正固定磁性，又可校正感应磁性，而且又必须随纬度的急剧变化而重新校正（）A．Flindersbar软铁棒B．Softironspheres软铁球C．Fore-and-aftpermanentmagnetsintheirtrays托盘中的纵向固定磁铁D．Heelingmagnet倾斜校正磁铁1230.Whencrossingthemagneticequatorthe___B___．[1457]当通过磁赤道时，（）A．Flindersbarshouldbeinverted应倒转软铁棒的磁极B．Heelingmagnetshouldbeinverted应倒转倾斜校正磁铁的磁极C．Thequadrantalspheresshouldberotated180°应将象限软铁球旋转180°D．Flindersbarshouldbemovedtotheoppositesideofthebinnacle应把软铁棒移到罗经柜的另一面1232.Whichcompensatesforerrorsintroducedwhenthevesselheelsover____C____．[1560]下列哪一种校正磁铁用来校正船舶的倾斜自差（）A．Thesoftironspheresonthearmsofthebinnacle罗经柜两臂上的象限软铁球B．Magnetsplacedintraysinsidethebinnacle罗经柜内的托盘上的磁铁C．Asingleverticalmagnetbeneaththecompass罗经下方的一根垂直磁铁D．TheFlindersbar软铁棒1245.Asingleverticalmagnetplacedunderneaththecompassinthebinnacleisusedtocompensatefor___B___．[194]置于罗经柜内罗经下方的垂直磁铁用来校正（）A．Thehorizontalcomponentofthepermanentmagnetism永（硬）磁的水平分量B．Deviationcausedbythevessel'sinclinationfromthevertical由于船舶倾斜引起的自差C．Inducedmagnetisminthehorizontalsoftiron软铁在水平方向的感应磁性D．Inducedmagnetismintheverticalsoftiron软铁在垂直方向的感应磁性1194.Ashipunderconstructionormajorrepairwillacquirepermanentmagnetismdueto_A_____whilesittingstationaryintheearth'smagneticfield．当船舶在建造或大修时，由于长时间在地球磁场中静止不动，并因（）原因会形成永久性的磁性A．hammeringandjarring锤打和震动摇动B．vibrationandpounding颤动和重击（拍底）C．varyingmagneticfields磁场的变化D．stableorpermanentmagnetismoftheship船舶内部的稳定或固定的磁性1195.Avesselisheadingmagneticeastanditsmagneticcompassindicatesaheadingof086°．Whichactionshouldbetakentoremovethiserrorduringcompassadjustment____A____．某船向地磁