1.

Consider the following statements:1. The will be no defects in select grade timbers.2. The codal values for strength of grade – III timber without defects may be reduced by 37.5%3. For timber used as columns, the permissible stress in ungraded timbers is adopted with a multiplying factor of 0.504. In case of wind force and earthquakes, a modification factor of 1.33 adopted.Which of the above statements are correct?

A. 1 and 3 only
B. 1 and 4 only
C. 2 and 4 only
D. 2 and 3 only
Answer» D. 2 and 3 only


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