A. 0.75-0.80
B. 0.80-0.85
C. 0.85 – 0.92
D. above 0.92
Related Mcqs:
- 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 - The property of fresh concrete, in which the water in the mix tends to rise to the surface while placing and compacting, is called________________?
A. segregation
B. bleeding
C. bulking
D. creep - Minimum grade of concrete to be used in reinforced concrete as per IS:456-1978 is_____________?
A. M15
B. M20
C. M 10
D. M25 - Workability of concrete is directly proportional to________________?
A. aggregate cement ratio
B. time of transit
C. grading of the aggregate
D. all of above - Workability of concrete is inversely pro¬portional to______________?
A. time of transit
B. ‘vater-cement ratio
C. the air in the mix
D. size of aggregate - In order to obtain the best workability of concrete, the preferred shape of aggregate is_______________?
A. rounded
B. elongated
C. angular
D. all of the above - 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 - 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 - 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 - The load carrying capacity of a helically reinforced column as compared to that of a tied column is about________________?
A. 5% less
B. 10% less
C. 5% more
D. 10% more
