GEAS 11

What is the ratio of the transverse strain to the corresponding axial strain in a body subjected to uniaxial stress?

• A. Poisson’s ratio

• B. Euler’s ratio

• C. Refractive index

• D. Dielectric index

What are the four basic forms of deformation of solid bodies?

• A. Tension, compression, bending and twisting

• B. Tension, compression, elongation and bending

• C. Tension, compression, plastic and elastic

• D. Tension, compression, elongation and torsion

What is a structural member supported horizontally and carries transverse loading?

• A. Beam

• B. Column

• C. Arch

• D. Shaft

What refers to a slender member which prevents parts of a structure moving towards each other under compressive force?

• A. Tie

• B. Column

• C. Panel

• D. Strut

What refers to the point in which the bending moment changes sign through a zero value?

• A. Critical point

• B. Point of inflection

• C. Point of contraflexure

• D. Point of zero stress

7. What is the unit of strain?

• A. Pascal

• B. Unitless

• C. N-m

• D. N-m/s

Volumetric stain is the:

• A. change in volume per unit time

• B. square root of difference of original volume and change in volume

• C. original volume minus change in volume

• D. ratio of change in volume to original volume

What refers to the stress in the material at the elastic limit?

• A. Working stress

• B. Yield stress

• C. Ultimate stress

• D. Maximum stress

Which of the following materials has the least modulus of elasticity?

• A. Steel

• B. Glass

• C. Copper

• D. Aluminum

Within elastic limit, the shear stress is proportional to shear strain. What is the constant of proportionality of this statement called?

• A. Modulus of rigidity

• B. Modulus of elasticity

• C. Young’s modulus

• D. Bulk modulus