Civil Engineering MCQAE Level Civil Engineering
In quality control of concrete, standard cube strength is usually tested at:
Building MaterialsConstruction Materials, Practices, Planning and ManagementHARD
Choose the correct answer
A
28 days
B
365 days only
C
7 days only
D
3 days only
Correct Answer
A. 28 days
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Characteristic compressive strength of concrete grades is based on 28-day standard cube strength.
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