【单选题】【消耗次数:1】
只限物体垂直于支承面方向的移动,不限制物体其它方向运动的支座称( )支座。
固定铰
可动铰
固定端
光滑面
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相关题目
【单选题】 只限物体垂直于支承面方向的移动,不限制物体其他方向运动的支座称( )支座。
①  固定铰
②  可动铰
③  固定端
④  光滑面
【单选题】 只限物体任何方向移动,不限制物体转动的支座称()支座。
①  可动铰
②  光滑面
③  固定铰
④  固定端
【单选题】 只限物体任何方向移动,不限制物体转动的支座称( )支座。
①  固定铰
②  可动铰
③  固定端
④  光滑面
【单选题】 既限制物体任何方向运动,又限制物体转动的支座称( )支座。
①  固定铰
②  可动铰
③  固定端
④  光滑面
【单选题】 梁的一端用固定铰,另一端用可动铰支座支承的梁称( )梁。
①  简支
②  外伸
③  多跨
④  悬臂
【单选题】 既限制物体沿任何方向运动,又限制物体转动的支座称为( )。
①  固定铰支座
②  可动铰支座
③  固定端支座
④  都不是
【单选题】 固定端支座不仅可以限制物体的( ),还能限制物体的( )。
①  运动,移动
②  移动,活动
③  转动,活动
④  移动,转动
【判断题】 固定铰支座处的约束反力方向向上。()
①  正确
②  错误
【单选题】 固定铰支座约束反力()。
①  可以用任意两个相互垂直的通过铰心的力表示
②  可以用任意一个大小和方向未知的通过铰心的力表示
③  其反力的方向在标定时可以任意假设
④  其反力的方向在标定时不可以任意假设
【单选题】 固定铰支座有( ? )个支座反力。
①  一个
②  二个
③  三个
④  四个
随机题目
【单选题】 Many people who had seen the film were afraid to go to the forest when they remembered the scenes ___ people were eaten by the tiger.
①  that
②  by which
③  which
④  in which
【单选题】 A candidate for the democratic presidential nomination ______ at this moment.
①  is interviewing
②  being interviewed D. Interviewing
③  is being interviewed
④  Interviewing
【单选题】 ___ is often the case, we have worked out the production plan.
①  Which
②  When
③  What
④  As
【单选题】 There are many people ___ only on-line activity is sending and receiving e-mails.
①  who
②  that
③  which
④  whose
【单选题】 On his 10th birthday,Marty manages to escape from the zoo and gets onto the subway, ___ he believes that he can go to the wild.
①  which
②  from what
③  through which
④  that
【单选题】 He ___________ his friends for their help at the hotel now.
①  entertained
②  was entertaining
③  is entertained
④  is entertaining
【单选题】 ___ is reported in the newspaper, talks between the two countries are making progress.
①  It
②  As
③  That
④  What
【单选题】 They are living with their parents for the moment because their own house __________.
①  is being rebuilt
②  has been rebuilt
③  is rebuilt
④  has rebuilt
【单选题】 在下列核算组织程序中,被称为最基本的会计核算组织程序的是( )
①  记账凭证核算组织程序
②  汇总记账凭证核算组织程序
③  科目汇总表核算组织程序
④  日记总账核算组织程序
【单选题】 所有者权益变动表是( )
①  利润表的附表
②  资产负债表的附表
③  现金流量表的附表
④  会计报表的主表