1
GATE CE 2003
MCQ (Single Correct Answer)
+2
-0.6
A simply supported beam of uniform rectangular cross-section of width $$b$$ and depth $$h$$ is subjected to linear temperature gradient, $${0^ \circ }$$ at the top $${T^ \circ }$$ at the bottom, as shown in the figure. The coefficient of linear expansion of the beam material is $$\alpha .$$ This resulting vertical deflection at the mid-span of the beam is GATE CE 2003 Strength of Materials Or Solid Mechanics - Pure Bending Question 2 English
A
$${{\alpha {\mkern 1mu} {\mkern 1mu} T{h^2}} \over {8L}}{\mkern 1mu} $$ upward
B
$${{\alpha \,\,T{L^2}} \over {8h}}\,\,$$ upward
C
$${{\alpha {\mkern 1mu} {\mkern 1mu} T{h^2}} \over {8L}}{\mkern 1mu} $$ downward
D
$${{\alpha \,\,T{L^2}} \over {8h}}\,\,$$ downward
2
GATE CE 1992
MCQ (Single Correct Answer)
+2
-0.6
The maximum bending stress induced in a steel wire of modulus of elasticity $$200$$ $$kN/m{m^2}$$ and diameter $$1$$ $$mm$$ when wound on a drum of diameter $$1$$ $$m$$ is approximately equal to
A
$$50\,N/m{m^2}$$
B
$$100\,N/m{m^2}$$
C
$$200\,N/m{m^2}$$
D
$$400\,N/m{m^2}$$
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