DSSSB AE Practice Questions - DSSSB Assistant Engineer Recruitment Examination Exam

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Using Bogue's equations, calculate the approximate percentage of Tricalcium Silicate ($C_3S$) in a clinker having the following oxide composition: $SiO_2 = 21.5\%$, $Al_2O_3 = 5.2\%$, $Fe_2O_3 = 3.2\%$, and $CaO = 63.5\%$. (Assume free lime and minor oxides are negligible, and Bogue's multiplier for $C_3S$ is $4.071 \cdot CaO - 7.600 \cdot SiO_2 - 6.718 \cdot Al_2O_3 - 1.430 \cdot Fe_2O_3$).

55.3% 42.5% 68.1% 28.4%

Correct Answer:

55.3%

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