• 2022-06-30
    图示结构用矩阵位法求解时,等效结点荷载列阵为:( )
    A: [-FPl/16 0 0] T
    B: [0 0 0]T
    C: [FP/2 - FP/2 0]T
    D: [- FP/2 FP/2 -FPl/16] T
  • C

    内容

    • 0

      图示结构中K截面的剪力为( )。[img=658x201]17da6835c2f941c.jpg[/img] A: -FP B: -FP /2 C: 0 D: FP

    • 1

      可将文件位置指针指向文件开头的操作有( )。 A: fseek(fp, 0, 2); B: fseek(fp, 1, 0); C: fseek(fp, 0, 0); D: rewind(fp);

    • 2

      已知物体的主、俯视图,左视图正确的是( )。 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/3930fea847ba4492944ddb365a59ad61.png" border="0" vspace="0" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/8c60c5d1b6634256b2ef9a91dac8488e.png" border="0" vspace="0" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/c0b01d9bd70846c0a833771f3e1329f0.png" border="0" vspace="0" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201905/f4f8a566f2de4d289c53bb491395d1fe.png" border="0" vspace="0" />

    • 3

      图示结构的结点荷载列阵为 。[img=210x104]17e0bbfef1c6972.png[/img] A: P=(-10 0 0 0 -20 0)T B: P=(0 20 0 10 0 0)T C: P=(10 0 0 0 20 0)T D: P=(0 10 0 0 20 0)T

    • 4

      图示结构用矩阵位法求解时,等效结点荷载列阵为:(     )http://image.zhihuishu.com/zhs/onlineexam/ueditor/201809/87c434e37d80468da239d61d343344bf.png