Is 11991959 is for a specification for standard sand

Which of the following codes is used for methods of sampling is 11991959 The apparatus for analysing the constituent of concrete shall conform to the requirements of IS 1199 : 1959 in respect of test for analysis of IS 1199 : is parimatch genuine As per IS : 1199-1959, ASTM C-124, AASHO T-120, for determining flow of cement concrete It consists of one Steel Table Top of cm dia Finely machined

isaimini tamilrockers IS 1199-1959 the slump mould shall be filled with concrete in ______ layers for the assessment of workability of conventional concrete Four One