set C

Eer Nos. $50-55$: A short rectangular post supports a compressive load of $P=90kN$ as shown in the figure. The moment of inertia with respect to the $x-$axis is $12\mathrm{.}50{10}^{6}m{m}^4.$ The moment of inertia with respect to the $z-$axis is $28\mathrm{.}13{10}^{6}m{m}^4.$

Top view of post

The magnitude of the moment with respect to the $x-$axis is $q,kN-mm.$

$($c$)4500$

$($a$)2700$

$($b$)6750q,kN-mm.$

The magnitude of the moment with respect to the $z-$ axis is $q,$

$($c$)4500$

$($b$)6750$

$($a$)2700$

The flexural stress with respect to the $x-$axis is $q,$ MPa.

$($a$)+-18\mathrm{.}00$

$($b$)+-10\mathrm{.}80$

$-()+-40\mathrm{.}50$

The flexural stress with respect to the $z-$axis is $q,$ MPa.

$($a$)+-18\mathrm{.}00$

$($b$)+-10\mathrm{.}80$

$($c$)+-40\mathrm{.}50$

The normal stress at the corner of the section at point $a$ is $q,$ MPa.

$($a$)7\mathrm{.}20($C$)$

$($b$)28\mathrm{.}80($C$)$

$($c$)16\mathrm{.}80(T)$

$q,$ MPa.

The normal stress at the corner of the section at point $c$ is

$($c$)16\mathrm{.}80(T)$

$($a$)7\mathrm{.}20($C$)$

$($b$)28\mathrm{.}80($C$)$

$($d$)+-12\mathrm{.}00$

$($d$)+-12\mathrm{.}00$

$($d$)4\mathrm{.}80($C$)$

$($d$)4\mathrm{.}80($C$)$

END OF QUESTIONNAIRE$-$