Set 4 Practice Mode

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Q10991
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What is the value of specitic gravity of good building stones ?
Q10992
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Which is the hard and durable building stone suitable for bridge abutments?
Q10993
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Which process is used for the kneading of clay for attaining plasticity ?
Q10994
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Which is used for the burning of raw materials of cements?
Q10995
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Which product is obtained by the grinding of bricks?