Stress strain curve of high tensile steel_______________?

Related Mcqs:

1. The permissible diagonal tensile stress in reinforced brick work is_____________?

   A. about 0.1 N/mm2
   B. zero
   C. 0.3 N/mm2 to 0.7 N/mm2
   D. about 1.0 N/mm2

2. Which of the following has high tensile strength ?

   A. plain hot rolled wires
   B. cold drawn wires
   C. heat treated rolled wires
   D. all have same tensile strength

3. In working stress design, permissible bond stress in the case of deformed bars is more than that in plain bars by_______________?

   A. 10%
   B. 20%
   C. 30%
   D. 40%

4. If nominal shear stress tv exceeds the design shear strength of concrete xc, the nominal shear reinforcement as per IS : 456-1978 shall be provided for carrying a shear stress equal to__________________?

   A. xv
   B. xc
   C. xv – TC
   D. Tv + Tc

5. Approximate value of shrinkage strain in concrete, is________________?

   A. 0.003
   B. 0.0003
   C. 0.00003
   D. 0.03

6. According to Whitney’s theory, ultimate strain of concrete is assumed to be_____________?

   A. 0.03%
   B. 0.1%
   C. 0.3%
   D. 3%

7. The relation between modulus of rupture fcr, splitting strength fcs and direct tensile strength fcl is given by_______________?

   A. tcr – rcs = tct
   B. fcr>fcs>fc
   C. fcr<fcs
   D. fc5>fcr>fC

8. The approximate value of the ratio between direct tensile strength and flexural strength is_____________?

   A. 0.33
   B. 0.5
   C. 0.75
   D. 1.0

9. Ratio of permissible stress in direct compression and bending compression is______________?

   A. less than 1
   B. between 1 and 1.5
   C. between 1.5 and 2.0
   D. greater than 2

10. For a reinforced concrete section, the shape of shear stress diagram is_______________?

    A. wholly parabolic
    B. wholly rectangular
    C. parabolic above neutral axis and rectangular below neutral axis
    D. rectangular above neutral axis and parabolic below neutral axis