Rupture stress is________________?

Related Mcqs:

1. The force acting along the circumference will cause stress in the walls in a direction normal to the longitudinal axis of cylinder; this stress is called___________________?

   A. longitudinal stress
   B. hoop stress
   C. yeiled stress
   D. ultimate stress
   E. none of the above

2. In a tensile test on mild steel specimen, the breaking stress as compared to ultimate tensile stress is_________________?

   A. more
   B. less
   C. same
   D. more/less depending on composition
   E. may have any value

3. The ultimate tensile stress of mild steel compared to ultimate compressive stress is__________________?

   A. same
   B. more
   C. less
   D. more or less depending on other factors
   E. unpredictable

4. The stress induced in a body due to suddenly applied load compared to when it is applied gradually is________________?

   A. same
   B. half
   C. two times
   D. four times
   E. none of the above

5. 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 well.

6. Flow stress corresponds to___________________?

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

7. Longitudinal stress in a thin cylinder is__________________?

   A. equal to the hoop stress
   B. twice the hoop stress
   C. half of the hoop stress
   D. one-fourth of hoop stress
   E. four times the hoop stress

8. The stress necessary to initiate yielding is_________________?

   A. considerably greater than that necessary to continue it
   B. considerably lesser than that necessary to continue it
   C. greater than that necessary to stop it
   D. lesser than that necessary to stop it
   E. equal to that necessary to stop it

9. The Young’s modulus of a wire is defined as the stress which will increase the length of wire compared to its original length________________?

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

10. 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