Mechanical Engineering : Strength Of Materials QUESTIONS AND ANSWERS :: part1 : 6 to 10
Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
6.True stress-strain curve for materials is plotted between |
| load/original cross-sectional area and change in length/original length |
| load/instantaneous cross-sectional area original area and log. |
| load/instantaneous cross-sectional area and change in length/original length |
| load/instantaneous area and instantaneous area/original area |
| none of the above. |
7.Which is the false statement about true stress-strain method |
| It does not exist |
| It is more sensitive to changes in both metallurgical and mechanical conditions |
| It gives, a more accurate picture of the ductility |
| It can be correlated with stress-strain values in other tests like torsion, impact, combined stress tests etc. |
| It can be used for compression tests as well. |
8.It equal and opposite forces applied to a body tend to elongate it, the stress so produced is called |
| internal resistance |
| tensile stress |
| transverse stress |
| compressive stress |
| working stress. |
9.In a tensile test on mild steel specimen, the breaking stress as compared to ultimate tensile stress is |
| more |
| less |
| same |
| more/less depending on composition |
| may have any value. |
10.Modulus of rigidity is defined as the ratio of |
| longitudinal stress and longitudinal strain |
| volumetric stress and volumetric strain |
| lateral stress and lateral strain |
| shear stress and shear strain |
| linear stress and lateral strain. |
More Strength Of Materials QUESTIONS AND ANSWERS available in next pages
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