Question

Power showed that the strength of concrete bears a specific relationship with the gel/space ratio. He found the relationship to be  __________

(a) 240x^3

(b) 140x^3

(c) 240x^2

(d) 140x^2

I had been asked this question during an interview.

My doubt stems from Gel Space Ratio topic in chapter Strength of Concrete of Concrete Technology

Answer 1

Right answer is (a) 240x^3

For explanation I would say: Power’s experiment showed that the strength of concrete bears a specific relationship with the gel/space ratio. He found the relationship to be 240 x^3.