Correct Answer : All of the above
Explanation : * Net sectional area of a tension member is its gross area less deductions for holes
* Gross diameter of river hole is 1.5 mm in excess of its normal diameter if it is greater than 25 mm
* Gross diameter of the rivet hole is 2.0 mm in excess of its normal diameter if it is greater than 25 mm
* The total deduction area for the holes is obtained by the product of the thickness and sum of the diameters of the holes in any chain across the member
