Air entrainment in the concrete increases________________?

Related Mcqs:

The compressive strength of 100 mm cube as compared to 150 mm cube is always_______________?

A. less B. more C. equal D. none of the above...

If the depth of actual neutral axis in a beam is more than the depth of critical neutral axis, then the beam is called________________?

A. balanced beam B. under-reinforced beam C. over-reinforced beam D. none of the above...

Half of the main steel in a simply supported slab is bent up near the support at a distance of x from the center of slab bearing where x is equal to________________?

A. 1/3 B. 1/5 C. 1/7 D. 1/10 where 1 is the span...

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...

The effect of adding calcium chloride in concrete is________________?

1. to increase shrinkage 2. to decrease shrinkage 3. to increase setting time 4. to decrease setting time The correct answer is? A. (1) and (3) B. (1)and(4) C. (2)and (3) D. (2)and (4)...