The pillar shape that gives the greatest strength for the least weight is the（）.

A、A.octagonal pillar

B、B.H Beam pillar

C、C.I Beam pillar

D、D.circular type pillar

查看正确答案

更多“The pillar shape that gives the greatest strength for the least weight is the（）.”相关的问题

第1题

[单选题] During the day，a vessel picking up a submarine cable shall carry（）.

A、three shapes，the highest and lowest shall be red balls，and the middle shall be a white diamond B、two black balls C、three shapes; the highest and lowest shall be black balls，and the middle shall be a red diamond D、three shapes; the highest and lowest shall be black balls and the middle shall be a black diamond

点击查看答案

第2题

[] During the day，a vessel picking up a submarine cable shall carry（）.

A、A.Three shapes，the highest and lowest shall be red balls，and the middle shall be a white diamond B、B.Two black balls C、C.Three shapes；the highest and lowest shall be black balls，and the middle shall be a red diamond D、D.Three shapes；the highest and lowest shall be black balls and the middle shall be a black diamond

点击查看答案

第3题

[单选题] Due to the shape of the（），whereby forward- and aft ship are differently shaped，a trim correction on the draft measurement has to be done.

A、spheroid B、loxodrome C、carene D、sphere

点击查看答案

第4题

[单选题] By day，you sight a vessel displaying three shapes in a vertical line. The top and bottom shapes are balls，and the middle shape is a diamond. It could be a（）.

A、vessel trolling B、mineclearing vessel C、trawler D、vessel engaged in replenishment at sea

点击查看答案

第5题

[] Vowels are formed mainly by the position of the tongue and, secondarily, by the shape of the lips and movement of the jaw.（）

点击查看答案

第6题

[单选题] A condition where two currents meet at the downstream end of a middle bar can be determined by a（）.

A、small whirlpool B、smooth patch of water C、V-shaped ripple with the point of the V pointing downstream D、V-shaped ripple with the point of the V pointing upstream

点击查看答案

第7题

[单选题] A snag or other underwater obstruction may form a（）.

A、V-shaped ripple with the point of the V pointing upstream B、V-shaped ripple with the point of the V pointing downstream C、small patch of smooth water on a windy day D、smoothing out of the vessel's wake

点击查看答案

第8题

[单选题] A snag or other underwater obstruction may form a（）.

点击查看答案

第9题

[多选题] Which two statements are true about traffic shaping and traffic policing？（）

A、both traffic shaping and traffic policing cause retransmissions of connection-oriented protocols such as TCP B、both traffic shaping and traffic policing support the marking and re-marking of traffic C、the effects of traffic shaping and traffic policing when configured on a router are applied to outgoing traffic D、traffic shaping queues excess traffic whereas traffic policing discards excess traffic E、traffic shaping allows the traffic to exceed the bit rate whereas traffic policing prevents the traffic from exceeding the bit rate

点击查看答案

账号：登录

答题记录

我的收藏

我的题库

客服

TOP

请使用微信扫码支付

订单号：
遇到问题请联系在线客服