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Building Materials MCQs

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Question 10hard

Permanent magnets are made of high carbon steel and

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Question 11easy

Addition of pozzolana to ordinary Portland cement increases

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Question 12hard

As per IS specifications, the maximum final setting time for ordinary Portland cement should be

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Question 13easy

Which of the following has more fire resisting characteristics?

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Question 14medium

Which of the following metamorphic rocks has the most weather resisting characteristics?

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Question 15hard

The proportions of lime and sand in the mortar normally used in brick construction are

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Question 16easy

Stainless steel resists corrosion due to

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Question 17hard

Chlorite, a green colour mineral is mainly derived from the decomposition of

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Question 18hard

Excess of silica in brick earth results in

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