Which of the following is false regarding factor of safety in the design of structures? a. It considers uncertainties in the material properties. b. A higher factor of safety is preferable in designing safe structures c. It should not be less than 1 to ensure the structure’s safety. d. It considers changes in the loading pattern on the structure. Which of the following occurs when the value of Poisson’s ratio is doubled and the modulus of elasticity is kept constant? a. The lateral deformations experienced by the material is halved b. The volume of the material will remain constant when subjected to external forces c. The elastic region of the shear stress-strain diagram would be less steep d. The material can withstand higher amounts of stress before permanent deformations occur
Which of the following is false regarding factor of safety in the design of structures? a. It considers uncertainties in the material properties. b. A higher factor of safety is preferable in designing safe structures c. It should not be less than 1 to ensure the structure’s safety. d. It considers changes in the loading pattern on the structure. Which of the following occurs when the value of Poisson’s ratio is doubled and the modulus of elasticity is kept constant? a. The lateral deformations experienced by the material is halved b. The volume of the material will remain constant when subjected to external forces c. The elastic region of the shear stress-strain diagram would be less steep d. The material can withstand higher amounts of stress before permanent deformations occur
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Which of the following is false regarding factor of safety in the design of structures?
a. It considers uncertainties in the material properties.
b. A higher factor of safety is preferable in designing safe structures
c. It should not be less than 1 to ensure the structure’s safety.
d. It considers changes in the loading pattern on the structure.
Which of the following occurs when the value of Poisson’s ratio is doubled and the modulus of elasticity is kept constant?
a. The lateral deformations experienced by the material is halved
b. The volume of the material will remain constant when subjected to external forces
c. The elastic region of the shear stress-strain diagram would be less steep
d. The material can withstand higher amounts of stress before permanent deformations occur
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