北航《飞机构造》在线作业二.doc

文档介绍：北航《飞机构造》在线作业二"Theplanestructure^BUAAonlinehomeworktwoTotalscore:100testtime:一RadioexaminationAmultiple-choicequestionJudgmentquestionRadioexaminationquestions(2questions,8points)whichofthefollowingisnormallyusedtoprovideemergencypressuresourcesforactuatingflightcontrolsystems?・EDPADPACMPRATFullmarks:4mostmodernaircraftuse()wheelseparationdetachableflangetypeC・fixedflangetypeFullmarks:4"Theplanestructure"BUAAonlinehomeworktwoTotalscore:100testtime:-RadioexaminationAmultiple-choicequestionJudgmentquestion,(atotalof10multiple-choicequestions,atotalof40points・)cockpitenvironmentparametersincludeairtemperatureairpressureC・::-wayvalveB・bypassvalveC・oilfilterreleasevalveFullmarks::45.,pressionsheartwistbendingFullmarks::・:(::ponentofthewing