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Friday 10 November 2017

Strength Of Materials/Mechanics Of Materials - Section 1 part 8

36. 
In order to know whether a column is long or short, we must know its slenderness ratio.
A.True
B.False

37. 
A composite shaft consisting of two stepped portions having spring constants k1 and k2 is held between two rigid supports at the ends. Its equivalent spring constant is
A.
B.
C.
D.k1+k2

38. 
Resilience is the
A.energy stored in a body when strained within elastic limits
B.energy stored in a body when strained upto the breaking of the specimen
C.maximum strain energy which can be stored in a body
D.none of the above

39. 
If the depth is kept constant for a beam of uniform strength, then its width will vary in proportional to (where M = Bending moment)
A.M
B.M
C.M2
D.M3

40. 
A concentrated load is one which
A.acts at a point on a beam
B.spreads non-uniformly over the whole length of a beam
C.spreads uniformly over the whole length of a beam
D.varies uniformly over the whole length of a beam

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