the factors that affect the ultimate stress are ( ).
A: Load
B: Material properties
C: Section size
D: Working conditions
A: Load
B: Material properties
C: Section size
D: Working conditions
举一反三
- The factors that affect the working stress of members are () A: Load B: Material properties C: Section size D: Working conditions
- The flexibility of the compression bar intensively reflects which factors of the compression bar will affect the critical stress. A: Length, constraints, section size and shape B: Material, length and constraints C: Material, constraints, section size and shape D: Material, length, section size and shape
- For fully prestressed concrete under the service load, in the section of concrete member A: Tensile stress is allowed to occur B: No tensile stress occurs C: Allow for cracks D: There is no compressive stress
- Which of the following statements is correct ? (1) There are two types of stress, normal stress(σ) and shear stress(τ). (2) On one section, the normal stress(σ) and the shear stress(τ) must be perpendicular to each other. (3) On one section, all the normal stress(σ) must be equal in size and same in the direction. (4) On one section, all the shear stress(τ) must be parallel.
- The factors that affect the management range of entrepreneurial activities are ( ) A: Work ability B: Work conditions C: Work content D: Work nature E: Work environment