Strength of Materials

A. Young’s modulus
B. bulk modulus
C. modulus of rigidity
D. modulus of elasticity
E. Poisson’s ratio

A. breaking stress
B. maximum load/original cross-sectional area
C. load at breaking point/A
D. load at breaking point/neck area
E. maximum stress

A. creeping
B. yielding
C. breaking
D. plasticity
E. none of the above

A. tensile strain increases more quickly
B. tensile strain decreases more quickly
C. tensile strain increases in proportion to the stress
D. tensile strain decreases in proportion to the stress
E. tensile strain remains constant

A. more than 50%
B. 25—50%
C. 10—25%
D. 5—10%
E. negligible

A. malleability
B. ductility
C. plasticity
D. elasticity
E. reliability

A. longitudinal stress and longitudinal strain
B. longitudinal stress and lateral stress
C. lateral stress and longitudinal stress
D. lateral stress and lateral strain
E. none of the above

A. plasticity
B. elasticity
C. ductility
D. malleability
E. resilience

A. slenderness ratio and area of cross-section
B. Poisson’s ratio and modulus of elasticity
C. slenderness ratio and modulus of elasticity
D. slenderness ratio, area of cross-section and modulus of elasticity
E. Poisson’s ratio and slenderness ratio

A. 2.1xl05 kg/cm2
B. 2.1 X 106 kg/cm2
C. 2.1 x 107 kg/cm2
D. 0.1 xlO6 kg/cm2 (<?) 3.8 x 106 kg/cm2