Cube strength of controlled concrete to be used for pre-tensioned and post-tensioned work respectively should not be less than Options: A . &nbsp350 Kg/cm^2 and 420 Kg/cm^2 B . &nbsp420 Kg/cm^2 and 530 Kg/cm^2 C . &nbsp420 Kg/cm^2 and 350 Kg/cm^2 D . &nbsp530 Kg/cm^2 and 420 Kg/cm^2

Cube strength of controlled concrete to be used for pre-tensioned and post-tens

Question

Cube strength of controlled concrete to be used for pre-tensioned and post-tensioned work respectively should not be less than

Options:

A . 350 Kg/cm^2 and 420 Kg/cm^2

B . 420 Kg/cm^2 and 530 Kg/cm^2

C . 420 Kg/cm^2 and 350 Kg/cm^2

D . 530 Kg/cm^2 and 420 Kg/cm^2

Answer: Option B

420 Kg/cm^2 and 530 Kg/cm^2

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