The compressive strength of concrete determined from 150 mm x 150 mm cylinder as compared to that determined from 150 mm cube is

Maximum strength of concrete occurs at a water content of

The theorem of three moments for the solution of continuous beams is formulated by

The analysis of a structure is

In a RCC continuous member , main reinforcement is provided at

The ratio of the moment of inertia of a circular plate and a square plate for equal depth is

In a RCC simply supported member , main reinforcement is provided at

The expansion joints are provided if the length of the concrete exceeds

The strength and quality of concrete depends on