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IS 457:1957 is for ____________

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IS 457:1957 is for ____________

(a) Code of practice for general construction of plain and reinforced concrete for dams and other massive structures

(b) Specification for Portland pozzolana cement flyash based

(c) Specification for Portland pozzolana cement calcined clay based

(d) Methods of test for pozzolanic materials

This question was posed to me in an interview for job.

My question is taken from Mix Design for Pumpable Concrete topic in portion Concrete Mix Design of Concrete Technology

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Correct answer is (a) Code of practice for general construction of plain and reinforced concrete for dams and other massive structures

Explanation: IS 457:1957 Code of practice for general construction of plain and reinforced concrete for dams and other massive structures.

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