engineering recuitment UPSSSC JE Civil 2024 Mock Test Construction Materials and Management Concrete
As per IS 516-1959, which of the following statements regarding the curing of test specimens is/are correct?
Statement 1: Test specimens shall be cured in moist air of at least 90% relative humidity and a temperature of 27°C ± 2°C for 24 hours ± 1 hour before submersion in water.
Statement 2: The water or saturated lime solution in which test specimens are submerged must be renewed every seven days and maintained at a temperature of 27°C ± 2°C.
1
Only Statement 1 is correct
2
Only Statement 2 is correct
3
Both Statements 1 and 2 are correct
4
Neither Statement 1 nor Statement 2 is correct