In which method, high strength concrete mixes are designed by relating compressive strength to reference number?

The degree of workability of Indian standard method is _______

The codal provision for reinforcement cover is?

Hard-drawn steel wires used in high tensile steel are considered as _______

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

High strength concrete resists _______

The ultimate strength of high tensile steel is _______

The high tensile steel is obtained by increasing content of _______