1% of voids in a concrete mix would reduce its strength by about______________?

Related Mcqs:

The percentage of voids in cement is approximately_______________?

A. 25% B. 40% C. 60% D. 80%...

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...

According to IS : 456-1978, the fiexural strength of concrete is________________?

A. directly proportional to compressive strength B. inversely proportional to compressive strength C. directly proportional to square root of compressive strength D. inversely proportional to square root of compressive strength...

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...

Modulus of elasticity of steel as per IS : 456-1978 shall be taken as______________?

A. 20 kN/cm2 B. 200 kN/cm2 C. 200kN/mm2 D. 2xl06N/cm2...