The stress developed in a material at breaking point in extension is called_________________?

Related Mcqs:

1. The stress developed in a material at breaking point in extension is called__________?

   A. Breaking stress
   B. Fracture stress
   C. Yield point stress
   D. Proof stress

   Submitted by: Faheem Zaman Dhaunroo

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. In the tensile test, the phenomenon of slow extension of the material, i. e. stress increasing with the time at a constant load is called_____________?

   A. creeping
   B. yielding
   C. breaking
   D. plasticity
   E. none of the above

4. The stress at which extension of the material takes place more quickly as compared to the increase in load is called______________?

   A. elastic point of the material
   B. plastic point of the material
   C. breaking point of the material
   D. yielding point of the material
   E. ultimate point of the material

5. 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

6. 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

7. A key is subjected to side pressure as well at shearing forces. These pressures are called_________________?

   A. bearing stresses
   B. fatigue stresses
   C. crushing stresses
   D. resultant stresses
   E. none of the above

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. The value of shear stress which is induced in the shaft due to the applied couple varies____________________?

   A. from maximum at the center to zero at the circumference
   B. from zero at the center to maximum at the circumference
   C. from maximum at the center to mini-mum at the cricumference
   D. from minimum at the centro to maxi-mum at the circumference
   E. none of the above

10. 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