The 18:8 stainless steel composition refers to the presence of 18% chromium and 8% nickel. This combination of elements gives stainless steel its corrosion resistance and durability. The high chromium content is responsible for the steel's resistance to oxidation, while nickel contributes to the alloy's toughness and strength. Other compositions such as cobalt and nickel or cobalt and chromium are not typically used in 18:8 stainless steel.
Two designs A and B, shown in the figure, are proposed for a thin-walled closed section that is expected to carry only torque. Both A and B have a semi-circular nose, and are made of the same material with a wall thickness of 1 mm. With strength as the only criterion for failure, the ratio of maximum torque that B can support to the maximum torque that A can support is _________ (rounded off to two decimal places).
At a given frequency, the storage modulus \( G' \) and loss modulus \( G'' \) of four biomaterials are shown in the table below. Which of the following option(s) is/are CORRECT?

Two designs A and B, shown in the figure, are proposed for a thin-walled closed section that is expected to carry only torque. Both A and B have a semi-circular nose, and are made of the same material with a wall thickness of 1 mm. With strength as the only criterion for failure, the ratio of maximum torque that B can support to the maximum torque that A can support is ________ (rounded off to two decimal places).
