The ratio of direct stress to volumetric strain in case of a body subjected to three mutually perpendicular stresses of equal intensity, is equal to___________________?

Related Mcqs:

1. The deformation of a bar under its own weight compared to the deformation of same body subjected to a direct load equal to weight of the body is_______________?

   A. same B. double C. half D. four times E. one-fourth...

2. The intensity of stress which causes unit strain is called_______________?

   A. unit stress B. bulk modulus C. modulus of rigidity D. modulus of elasticity E. principal stress...

3. The ratio of lateral strain to the linear strain within elastic limit is known as_______________?

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

4. In a prismatic member made of two materials so joined that they deform equally under axial stress, the unit stresses in two materials are ?

   A. equal B. proportional to their respective moduli of elasticity C. inversely proportional to their moduli of elasticity D. average of the sum of moduli of elas-ticity E. none of the above...

5. True stress-strain curve for materials is plotted between__________________?

   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...

6. Which is the false statement about true stress-strain method______________?

   A. It does not exist B. It is more sensitive to changes in both metallurgical and mechanical conditions C. It gives, a more accurate picture of the ductility D. It can be correlated with stress-strain values in other tests like torsion, impact, combined stress tests etc. E. It can be used for compression tests as...

7. It equal and opposite forces applied to a body tend to elongate it, the stress so produced is called______________________?

   A. internal resistanpe B. tensile stress C. transverse stress D. compressive stress E. working stress...

8. Flow stress corresponds to___________________?

   A. fluids in motion B. breaking point C. plastic deformation of solids D. rupture stress E. none of the above...

9. Shear stress induced in a shaft subjected to tension will be__________________?

   A. maximum at periphery and zero at center B. maximum at center C. uniform throughout D. average value in center E. none of the above...

10. A boiler shell 200 cm diameter and plate thickness 1.5 cm is subjected to internal pressure of 1.5 MN/m , then the hoop stress will be_________________?

    A. 30 MN/m2 B. 50 MN/m2 C. 100 MN/m2 D. 200 MN/m2 E. 300 MN/m2...