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1、001.无人机的英文缩写是A．UVSB．UA.SC．UA.V答案:C.002.轻型无人机，是指空机质量A．小于7kgB．大于7kg，小于116kgC．大于116kg，小于5700kg答案:B.003近程无人机活动半径在A．小于15kmB．15~50kmC．200~800km答案:B.004任务高度一般在0~100m之间的无人机为A．超低空无人机B．低空无人机C．中空无人机答案:A.005不属于无人机机型的是A．塞纳斯B．侦察兵C．捕食者答案:A.006不属于无人机系统的是A．飞行器平台B．飞行员C．导
2、航飞控系统答案:B.007常规固定翼/旋翼平台是大气层内飞行的空气的航空器A．重于B．轻于C．等于答案:A.008不属于抵消旋翼机反转力矩的方法有A．尾桨oftheworks.Casementsashinstallation:requiredfixedhingeonthedoorandwindowframes,WindowsEmbeddedintheboxafteratemporaryfix,adjusttheappropriatedoorafter...12,scaffoldingtheconstr
3、uctionphaseoftheprojectthisprojectproposestoadoptthefollowingthreetypesofscaffoldsforconstruction:parta,Foundationconstructionwithdoublerowsofsinglepipescaffolding,toprovideconstructionjobsandsupport.B,uptofour-layercantileverscaffold,six-layercantileve
4、r,suspensionheightof18.6metres,doesnotexceedthestandard20mc,exterioreaveconstructionbyBeijingfeitianredconstructionmachinerymanufacturingZLD500-630electrichangingblue(seenextfigure).(A)thedoublerowsofsteeltubularscaffoldwithcouplers1,materialpreparation
5、:erectionofscaffoldfittingsshouldbepreparedinadvance,classifiedaccordingtospecifications,neatlystacked,steady,pilesitedoesnothavewater.Materialquality:tubeselectionφ48x3.5standardpipe,wallthicknessandnocracks,nowarpage,roundingandotherdefects.Pipebrushp
6、aintthepipeconnectedfastenerusingarightanglefastener,jointfasteners,rotatethefasteners,meetqualitystandards,nocracks,threadsoil,noaccusations,torsionalflexibility.Meshhasclosedkeyfactorycertificate,requiredconstructionsafetysupervisionandmanagementdepar
7、tmentspermitcardshallnotbeused,safetynetsandscaffoldingwithanylonropearoundthetiefirmly,nylonconnectorsshouldA．共轴旋翼B．增大旋翼半径答案:C.009多轴旋翼飞行器通过改变控制飞行轨迹。A．总距杆B．转速C．尾桨答案:B.010目前主流的民用无人机所采用的动力系统通常为活塞式发动机和两种。A．涡喷发动机B．涡扇发动机C．电动机答案:C.011活塞发动机系统常采用的增压技术主要是用来。A．提高
8、功率B．减少废气量C．增加转速答案:A.012电动动力系统主要由动力电机.动力电源和组成。A．电池B．调速系统C．无刷电机答案:B.013从应用上说，涡桨发动机适用于。A．中低空.低速短距/垂直起降无人机B．高空长航时无人机/无人战斗机C．中高空长航时无人机答案:C.014属于无人机飞控子系统的是A．无人机姿态稳定与控制B．无人机任务设备管理与控制C．信息收集与传递答案:A.015不属于无人机飞控子系统所需信息的是A．经/纬度B．姿态角C．空速ofthe
