In a spherical dome the hoop stress due to a concentrated load at crown is_______________?

Related Mcqs:

1. In a spherical dome subjected to concentrated load at crown or uniformly distributed load, the meridional force is always________________?

   A. zero
   B. tensile
   C. compressive
   D. tensile or compressive

2. The maximum value of hoop compression in a dome is given by___________________?

   A. wR / 4d
   B. wR/2d
   C. wR/d
   D. 2wR/d

   where, w = load per unit area of surface of dome R = radius of curvature d = thickness of dome

3. The load factors for live load and dead load are taken respectively as_________________?

   A. 1.5 and 2.2
   B. 2.2 and 1.5
   C. 1.5 and 1.5
   D. 2.2 and 2.2

4. Assertion A : The load factor for live load is greater than that for dead load. Reason R : The live loads are more uncertain than dead loads?

   Select your answer based on the coding system given below :

   A. Both A and R are true and R is the correct explanation of A.
   B. Both A and R are true but R is not the correct explanation of A.
   C. A is true but R is false.
   D. A is false but R is true.

5. 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%

6. 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

7. The average permissible stress in bond for plain bars in tension is_______________?

   A. increased by 10% for bars in compression
   B. increased by 25% for bars in compression
   C. decreased by 10% for bars in compression
   D. decreased by 25% for bars in compression

8. 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

9. The design yield stress of steel according to IS: 456-1978 is_______________?

   A. 0.37 fy
   B. 0.57 fy
   C. 0.67 fy
   D. 0.87 fy

   where fy is the characteristic yield strength of steel

10. Stress strain curve of high tensile steel_______________?

    A. has a definite yield point
    B. does not show definite yield point but yield point is defined by 0.1% proof stress
    C. does not show definite yield point but yield point is defined by 0.2% proof stress
    D. does not show definite yield point but yield point is defined by 2% proof stress