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What is the maximum permissible tolerance for length and width respectively?(a) ± 3mm and ± 6mm(b) ± 6mm and ± 3mm(c) ± 3cm and ± 6cm(d) ± 6cm and ± 3cm |
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Answer» Correct choice is (b) ± 6mm and ± 3mm The explanation is: The standard size of brick is length – 190mm and width – 90mm. When manufactured, size variations may occur by expansion or contraction while drying and burning process. Permissible tolerance is ± 6mm for length and ± 3mm for width and height. |
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