Materials Quiz

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  Waktu Kiri


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The strength of a concrete is found to be 50 MPa at 28 days’ age, Estimate the strength at the following days?

Padankan teks (klik dan seret)   

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Padankan teks itu

3 days

7 days

14 days

15 days

28 days 90%

Klik dan seret

40%

30%

75%

60%