The recommended value of modular ratio for reinforced brick work is______________?

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. A higher modular ratio shows____________?

   A. higher compressive strength of con-crete
   B. lower compressive strength of concrete
   C. higher tensile strength of steel
   D. lower tensile strength of steel

3. The effect of creep on modular ratio is__________________?

   A. to decrease it
   B. to increase it
   C. either to decrease or to increase it
   D. to keep it unchanged

4. If the depth of neutral axis for a singly reinforced rectangular section is represented by kd in working stress design, then the value of k for balanced section_______________?

   A. depends on as, only
   B. depends on aCbC only
   C. depends on both crst and acbc
   D. is independant of both ast and acbc where d is the effective depth, ast is per-missible stress in steel in tension and ocbc is permissible stress in concrete in bend¬ing compression

5. If the permissible stress in steel in tension is 140 N/mm2, then the depth of neutral axis for a singly reinforced rectangular balanced section will be___________________?

   A. 0.35 d
   B. 0.40 d
   C. 0.45 d
   D. dependent on grade of concrete also

6. For concreting of heavily reinforced sections without vibration, the workability of concrete expressed as compacting factor should be________________?

   A. 0.75-0.80
   B. 0.80-0.85
   C. 0.85 – 0.92
   D. above 0.92

7. In reinforced concrete footing on soil, the minimum thickness at edge should not be less than______________?

   A. 100 mm
   B. 150 mm
   C. 200 mm
   D. 250 mm

8. Due to circumferential action of the spiral in a spirally reinforced column________________?

   A. capacity of column is decreased
   B. ductility of column reduces
   C. capacity of column is decreased but ductility of column increases
   D. both the capacity of column and ductility of column increase

9. 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

10. In symmetrically reinforced sections, shrinkage stresses in concrete and steel are respectively_______________?

    A. compressive and tensile
    B. tensile and compressive
    C. both compressive
    D. both tensile