10) Given the following frame system, the Euler's critical load for the structure is (plot the deflected structure on the booklet): P EJ-∞ h E-∞ T h/2 EA-00 h a) P π² EJ with Co EJ EJ =2h; b) P 2 with o=h; c) P with l=0.7h. cr cr 0 20 11) In the Saint-Venant's case of BIAXIAL FLEXURE the neutral axis: a) is always orthogonal to the load axis; b) is never orthogonal to the load axis; c) can be orthogonal to the load axis. 12) For a cross section subject to SHEAR, the stress state at any point is in general: a) uniaxial; b) biaxial; c) three-axial.
10) Given the following frame system, the Euler's critical load for the structure is (plot the deflected structure on the booklet): P EJ-∞ h E-∞ T h/2 EA-00 h a) P π² EJ with Co EJ EJ =2h; b) P 2 with o=h; c) P with l=0.7h. cr cr 0 20 11) In the Saint-Venant's case of BIAXIAL FLEXURE the neutral axis: a) is always orthogonal to the load axis; b) is never orthogonal to the load axis; c) can be orthogonal to the load axis. 12) For a cross section subject to SHEAR, the stress state at any point is in general: a) uniaxial; b) biaxial; c) three-axial.
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Transcribed Image Text:10) Given the following frame system, the Euler's critical load for the structure is (plot the deflected structure
on the booklet):
P
EJ-∞
h
E-∞
T
h/2
EA-00
h
a) P
π² EJ
with Co
EJ
EJ
=2h;
b) P
2
with o=h;
c) P
with l=0.7h.
cr
cr
0
20
11) In the Saint-Venant's case of BIAXIAL FLEXURE the neutral axis:
a) is always orthogonal to the load axis;
b) is never orthogonal to the load axis;
c)
can be orthogonal to the load axis.
12) For a cross section subject to SHEAR, the stress state at any point is in general:
a)
uniaxial;
b) biaxial;
c)
three-axial.
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