Among the following conclusions about the critical stress σcr of the compressive column, the correct one is ( ).
A: The σcr value of the long column is independent of the material
B: The σcr value of the intermediate column is independent of the flexibility
C: The σcr value of the intermediate column is independent of the material
D: The σcr value of the small flexibility column is independent of the flexibility
A: The σcr value of the long column is independent of the material
B: The σcr value of the intermediate column is independent of the flexibility
C: The σcr value of the intermediate column is independent of the material
D: The σcr value of the small flexibility column is independent of the flexibility
举一反三
- Among the following conclusions about the critical stress σcr of the compressive column, the correct one is ( ) A: The σcr value of the long column is independent of the material B: The σcr value of the intermediate column is independent of the flexibility C: The σcr value of the intermediate column is independent of the materia D: The σcr value of the small flexibility column is independent of the flexibility
- Under the same material conditions, as the flexibility increases, ( ). A: The critical stress of the long column decreases while that of the medium flexibility bar remains unchanged. B: The critical stress of the intermediate column decreases while that of the large flexibility bar remains unchanged. C: The critical stress of the large and the intermediate column are both decreased. D: The critical stress of the large and the intermediate column are both unchanged.
- The slender column is under axial compressive load P, the critical load [img=23x22]1803a0faa055141.png[/img] is independent of ( ). A: the material of the column B: the length of the column C: the magnitude of the P D: the shape and dimension of the cross section of the column
- HBase的物理结构为row，column family，column，timestamp :value。
- 14 In triple sequence table of sparse matrix, each triple represents ( ). A: the row number,column number and data value of non-zero elements in the matrix B: the data value of non-zero elements in the matrix C: the row and column numbers of elements in the matrix D: the row number,column number and data value of elements in the matrix