A. same
B. half
C. one-third
D. two-third
E. one-fourth
A. load/original cross-sectional area and change in length/original length
B. load/instantaneous cross-sectional area original area and log
C. load/instantaneous cross-sectional area and change in length/original length
D. load/instantaneous area and instantaneous area/original area
E. none of the above
True stress-strain curve for materials is plotted between__________________? Read More »
Strength of Materials A. 50%
B. 25%
C. 0%
D. 15%
E. 60%.
A. toughness
B. tensile strength
C. capability of being cold worked
D. hardness
E. fatigue strength
The impact strength of a material is an index of its ___________________? Read More »
Strength of Materials A. change in volume to original volume
B. change in length to original length
C. change in cross-sectional area to original cross-sectional area
D. any one of the above
E. none of the above
Strain is defined as the ratio of__________________? Read More »
Strength of Materials A. ideal materials
B. uniform materials
C. isotropic materials
D. paractical materials
E. elastic materials
A. strain
B. lateral strain
C. linear strain
D. linear stress
E. unit strain
Deformation per unit length in the direction of force is known as_________________? Read More »
Strength of Materials A. volumetric stress and volumetric strain
B. lateral stress and lateral strain
C. longitudinal stress and longitudinal strain
D. shear stress to shear strain
E. longitudinal stress and lateral strain
Young’s modulus is defined as the ratio of ___________________? Read More »
Strength of Materials A. newton
B. pascal
C. kilogram meter
D. watt
E. joule
The unit of work or energy in S.I. units is________________? Read More »
Strength of Materials A. kg/cm
B. ata
C. atmosphere
D. mm of wcl
E. newton
Which of the following is not the unit of pressure ? Read More »
Engineering Mechanics, Strength of Materials