+1 vote
in Construction & Building Materials by (188k points)
The ratio of the percentage of alumina to that of oxide of iron in the cement should not be less than ________

(a) 0.24

(b) 0.39

(c) 0.66

(d) 0.79

This question was posed to me in an online interview.

I'm obligated to ask this question of Plain and Reinforced in chapter Miscellaneous Materials, Plain and Reinforced Cement Concrete of Construction & Building Materials

1 Answer

+1 vote
by (1.2m points)
selected by
 
Best answer
Right answer is (c) 0.66

The best I can explain: The ratio of the percentage of alumina to that of oxide of iron in the cement should not be less than 0.66. However, the ratio of the percentage of lime to those of iron oxide, alumina and silica should not be greater than 1.02.

Related questions

Welcome to TalkJarvis QnA, a question-answer community website for the people by the people. On TalkJarvis QnA you can ask your doubts, curiosity, questions and whatever going in your mind either related to studies or others. Experts and people from different fields will answer.

Categories

...