Strength Of Materials MCQs

Option A: principal stress

Option B: tensile stress

Option C: compressive stress

Option D: shear stress

Correct Answer: compressive stress ✔

Option A: It does not exist

Option B: It is more sensitive to changes in both metallurgical and mechanical conditions

Option C: It gives, a more accurate picture of the ductility

Option D: It can be correlated with stress-strain values in other tests like torsion, impact, combined stress tests etc.

Correct Answer: It does not exist ✔

Option A: same

Option B: half

Option C: one-third

Option D: two-third

Correct Answer: half ✔

Option A: load/original cross-sectional area and change in length/original length

Option B: load/instantaneous cross-sectional area original area and log

Option C: load/instantaneous cross-sectional area and change in length/original length

Option D: load/instantaneous area and instantaneous area/original area

Correct Answer: load/instantaneous cross-sectional area original area and log ✔

Option A: 50%

Option B: 25%

Option C: 0%

Option D: 15%

Correct Answer: 0% ✔

Option A: toughness

Option B: tensile strength

Option C: capability of being cold worked

Option D: hardness

Correct Answer: toughness ✔

Option A: change in volume to original volume

Option B: change in length to original length

Option C: change in cross-sectional area to original cross-sectional area

Option D: any one of the above

Correct Answer: any one of the above ✔

Option A: ideal materials

Option B: uniform materials

Option C: isotropic materials

Option D: paractical materials

Correct Answer: isotropic materials ✔

Option A: strain

Option B: lateral strain

Option C: linear strain

Option D: linear stress

Correct Answer: strain ✔

Option A: volumetric stress and volumetric strain

Option B: lateral stress and lateral strain

Option C: longitudinal stress and longitudinal strain

Option D: shear stress to shear strain

Correct Answer: longitudinal stress and longitudinal strain ✔