Per Table 3.2, the tolerable limit on TOTAL DISSOLVED SALTS in mixing …

Question

Per Table 3.2, the tolerable limit on TOTAL DISSOLVED SALTS in mixing water for concrete is:

Accepted Answer

C. {'text': '15,000 ppm of the mix water', 'label': 'C'}

1. Table 3.2 in §3.3.4 lists Total dissolved salts at 15,000 ppm.
2. Chlorides are capped at 10,000 ppm, sulphuric anhydride at 3,000 ppm, organic material at 3,000 ppm and pH between 4.5 and 8.5.
_Source: IGNOU ET-522 Block-1 Unit-3 Water, Table 3.2, §3.3.4, p. 42_

Answer

{'text': '1,000 ppm of the mix water', 'label': 'A'}

Answer

{'text': '10,000 ppm of the mix water', 'label': 'B'}

Answer

{'text': '50,000 ppm of the mix water', 'label': 'D'}