Wrought iron is manufactured from pig iron by
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Pig iron is manufactured from the ores by
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Quick lime is
(i) Slow in setting
(ii) Rapid in slacking
(iii) Good in strength
(i) Slow in setting
(ii) Rapid in slacking
(iii) Good in strength
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Percentage of carbon content in mild steel is
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Wrought iron is used for
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Cast iron is used for
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Bulking of sand is caused due to
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Initial setting of cement is caused due to
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Early attainment of strength in rapid hardening cement is mainly due to
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Gneiss is obtained from
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Asphalt is obtained from
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The normal curing period for lime mortar, is:
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Glazing is used to make earthenware
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Pug mill is used for
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A pug mill is used for
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The nominal size of the modular brick is
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Clay and silt content in a good brick earth must be at least
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The initial setting time for ordinary Portland cement as per IS specifications should not be less than
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According to IS specifications, the compressive strength of ordinary Portland cement after three days should not be less than
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Crushing strength of a first class brick should not be less than
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