The permissible stress in prestressing steel should not exceed _______

Which of the following is the Indian code used for high strength concrete mixes?

The full form of ACI method for mix design proportion is _______

Which of the following is one of the standard codes used for designing high strength concrete mixes?

The developments in the field of concrete mix design gave compressive strength ranging between _______

The high tensile steel is obtained by increasing content of _______

The nominal cover provided for moderate steel is _______

The properties of cold-drawing through wires can be improved by heating at _______