The cylinder strength of the concrete is less than the cube strength b

1.	The cylinder strength of the concrete is less than the cube strength because of
A.	the difference in the shape of the cross section of the specimens
B.	the difference in the slendeness ratio of the specimens
C.	the friction between the concrete specimens and the steel plate of the testing machine
D.	the cubes are tested without capping but the cylinders are tested with capping
Answer» C. the friction between the concrete specimens and the steel plate of the testing machine

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The cylinder strength of the concrete is less than the cube strength because of

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