Determine the correctness or otherwise of the following statements, [a] and [r]:
[a] A closed-section box beam configuration is used in aircraft wings.
[r] Closed-section box beam configuration is capable of resisting torsional loads.
(A) Both [a] and [r] are true and [r] is the correct reason for [a].
(B) Both [a] and [r] are true but $[\mathrm{r}]$ is not the correct reason for [a].
(C) Both [a] and [r] are false.
(D) $[\mathrm{a}]$ is true but $[\mathrm{r}]$ is false.
Determine the correctness or otherwise of the following statements, [a] and [r]:
[a] A closed-section box beam configuration is used in aircraft wings.
[r] Closed-section box beam configuration is capable of resisting torsional loads.
(A) Both [a] and [r] are true and [r] is the correct reason for [a].
(B) Both [a] and [r] are true but $[\mathrm{r}]$ is not the correct reason for [a].
(C) Both [a] and [r] are false.
(D) $[\mathrm{a}]$ is true but $[\mathrm{r}]$ is false.
(A) Both [a] and [r] are true and [r] is the correct reason for [a].