383) As per Whitney's theory, the maximum moment of resistance of the balanced section of a beam of width b and effective depth d is given by [where acy is the cylinder compressive strength of concrete]

384) The effect of creep on modular ratio is

385) Shrinkage of concrete depends upon i) humidity of atmosphere ii) passage of time iii) stress The correct answer is

386) Due to shrinkage stresses, a simply supported beam having reinforcement only at bottom tends to

387) In symmetrically reinforced sections, shrinkage stresses in concrete and steel are respectively