Shrinkage of concrete depends upon_____________?

Related Mcqs:

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

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

2. 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...

3. 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...

4. Due to shrinkage stresses, a simply supported beam having reinforcement only at bottom tends to_____________?

   A. deflect downward B. deflect upward C. deflect downward or upward D. none of the above...

5. The strength of concrete after one year as compared to 28 days strength is about_______________?

   A. 10 to 15% more B. 15 to 20% more C. 20 to 25% more D. 25 to 50% more...

6. Admixtures which cause early setting, and hardening of concrete are called_______________?

   A. workability admixtures B. accelerators C. retarders D. air entraining agents...

7. 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...

8. In case of hand mixing of concrete, the extra cement to be added is__________________?

   A. 5% B. 10% C. 15% D. 20%...

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. The purpose of reinforcement in prestressed concrete is________________?

    A. to provide adequate bond stress B. to resist tensile stresses C. to impart initial compressive stress in concrete D. all of the above...