单选题以下()是集装箱船舶专用的绑扎系固设备。 ①桥锁②扭锁③钢丝绳子④连接板⑤锥板⑥高度补偿器⑦企鹅嘴钩A①②③④⑤⑥⑦B①②④⑤⑥⑦C①②⑤⑥⑦D①②⑤⑦
单选题
以下()是集装箱船舶专用的绑扎系固设备。 ①桥锁②扭锁③钢丝绳子④连接板⑤锥板⑥高度补偿器⑦企鹅嘴钩
A
①②③④⑤⑥⑦
B
①②④⑤⑥⑦
C
①②⑤⑥⑦
D
①②⑤⑦
参考解析
解析:
暂无解析
相关考题:
单选题针阀偶件锥面配合面密封的要求是()。 1形成面接触, 2形成线接触, 3密封带宽度为0.3-0.5mm, 4密封带宽度为0.1-0.3mm, 5针阀锥角大于针阀体锥角0.5-1度。A2+3+4B1+3+4C2+4+5D2+3+5
单选题The reason why more and more of the large merchant vessels are being powered by medium-speed diesel engines is ().Athey operate between 150 and 450 rpmBthey are connected to the propeller by gearingCtheir smaller size and weightDthey can be connected directly to the propeller without gearing
单选题由于船舶年总成本包括了折旧费,年利润中不包括折旧费,所以在投资回收期中,如果船舶管理得当()。 Ⅰ.能赚回船价; Ⅱ.也不可能赚回船价; Ⅲ.能赚回船价,还存留一年折旧费。AⅠBⅡCⅢDⅠ、Ⅱ、Ⅲ不对
单选题关于让路船的行动的说法正确的为()。A让路船的行动应符合早、大、宽、清的要求B只有在互见中,才有让路船和直航船之分C让路船可能是让路能力低劣的船舶,也可能是让路能力优良的船舶D以上均是
单选题南半球西行船舶观测到()云序时,可判断船舶从锋面气旋中心附近南部通过。ACi-Cs-As-Ns-St-CbBCb-Ac-Ns-As-Cs-CbCCi-Cs-As-Ns-AsDNs-As-Cs-Ci
单选题0pen ullage holes in tanks which are not gas-free must be protected by().APV valvesBwarning signsCflame screensDstop-check valves
单选题In some cases facilities may be provided for emergency overriding oil pressure shutdown, if this facility is used, adequate warning must be given to ().Athe bridge watch-keeperBthe captainCthe chief engineerDthe engine room staff
单选题当船舶沿计划航线保向保速航行,利用两物标距离定位,正确的船位具有以下哪些特点?() Ⅰ、船位点沿抛物线分布; Ⅱ、船位点沿双曲线分布; Ⅲ、船位间距离与观测时间间隔成比例AⅠBⅠ或ⅢCⅡDⅢ
单选题Changes in direction or speed of the main propulsion units shall be recorded, ()an Administration has determined that the size or characteristics of a particular ship make such recording impracticable.Ain addition toBin addition thatCexcept forDexcept where
单选题The current flowing first in one direction and then in another is called() current.Aan alternatingBa rushCa directDan exciting
单选题四冲程柴油机换气质量比二冲程柴油机好,其原因是()。 Ⅰ.二冲程没有进气阀 Ⅱ.四冲程换气占两个多冲程 Ⅲ.四冲程靠扫气压力把废气压出 Ⅳ.二冲程新气与废气容易掺混 Ⅴ.二冲程没有气阀重叠角 Ⅵ.二冲程进、排气几乎同时进行AⅠ+Ⅱ+ⅢBⅡ+Ⅳ+ⅥCⅡ+Ⅲ+ⅣDⅡ+Ⅴ+Ⅵ