1
GATE ME 2017 Set 2
MCQ (Single Correct Answer)
+1
-0.3
A cantilever beam of length $$L$$ and flexural modulus $$EI$$ is subjected to a point load $$P$$ at the free end. The elastic strain energy stored in the beam due to bending (neglecting transverse shear) is
A
$${{{P^2}{L^3}} \over {6EI}}$$
B
$${{{P^2}{L^3}} \over {3EI}}$$
C
$${{P{L^3}} \over {3EI}}$$
D
$${{P{L^3}} \over {6EI}}$$
2
GATE ME 2013
MCQ (Single Correct Answer)
+1
-0.3
For a ductile material, toughness is a measure of
A
resistance to scratching
B
ability to absorb energy up to fracture
C
ability to absorb energy till elastic limit
D
resistance to indentation
3
GATE ME 2013
MCQ (Single Correct Answer)
+1
-0.3
Two threaded bolts A and B of same material and length are subjected to identical tensile load. If the elastic strain energy stored in bolt A is 4 times that of bolt B and the mean diameter of bolt A is 12 mm, the mean diameter of bolt B in mm is
A
16
B
24
C
36
D
48

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Theory of Machines
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