According to IS 456:2000, what is the maximum permissible limit of chlorides present in water used for reinforced concrete work?

Which of the following statements is/are correct regarding the assumptions of 'limit state of collapse in flexure' as per IS 456:2000? I. The tensile strength of concrete is ignored. II. For design purposes, the partial safety factor for material strength of concrete (γc) is taken as 1.75.

As per IS 456:2000, what is the limiting value of maximum depth of neutral axis ratio (xu,maxd) for Fe 415 grade steel?

As per IS 456:2000, the minimum number of longitudinal bars provided in a column shall be ____ in rectangular columns and ____ in circular columns.

According to IS 456:2000, the maximum compressive strain in concrete in axial compression is taken as ____ in the limit state of collapse.

Which of the following statements is/are correct regarding assumptions in the 'limit state of collapse' for flexure according to IS 456:2000? I. The tensile strength of concrete is ignored. II. For design purposes, the partial safety factor for concrete is taken as 1.75.