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Compression test on 4 samples of 150 mm cubes of concrete gave following results:25 MPa, 28 MPa, 32 MPa, 31 MPaThe characteristic strength of concrete (in MPa, rounded off to two decimal places) is _____.23.6 |
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Answer» Compression test on 4 samples of 150 mm cubes of concrete gave following results: 25 MPa, 28 MPa, 32 MPa, 31 MPa The characteristic strength of concrete (in MPa, rounded off to two decimal places) is _____.
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