1
GATE CE 1998
Subjective
+5
-0
The steel portal frame shown in figure is subjected to an imposed service load of $$15$$ $$kN$$. Compute the required plastic moment capacity of the members. All the members are of the same cross-section. Draw the collapse load.
2
GATE CE 1998
+2
-0.6
The stiffness matrix of a beam element is given as $${{2EI} \over L}\left[ {\matrix{ 2 & { + 1} \cr { + 1} & 2 \cr } } \right].$$ Then the flexibility matrix is
A
$${L \over {2EI}}\left[ {\matrix{ 2 & 1 \cr 1 & 2 \cr } } \right]$$
B
$${L \over {6EI}}\left[ {\matrix{ 1 & { - 2} \cr { - 2} & 1 \cr } } \right]$$
C
$${L \over {3EI}}\left[ {\matrix{ 2 & { - 1} \cr { - 1} & 2 \cr } } \right]$$
D
$${L \over {6EI}}\left[ {\matrix{ 2 & { - 1} \cr { - 1} & 2 \cr } } \right]$$
3
GATE CE 1998
+2
-0.6
For a highway with a design speed of 100kmph, the safe OSD is assume acceleration as 0.53 $$m/sec^2$$. the road is two lane with two way traffic. User other specifications as per IRC
A
300m
B
750m
C
320m
D
470m
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