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Mechanical Engineering Objective Questions { Strength of Materials }



64. A beam is loaded as cantilever, If the load at the end is increased, the failure will occur
A.In the middle
B.At the tip below the load
C.At the support
D.Anywhere

65. A non-yielding support implies that the
A.Support is frictionless
B.Support can take any amount of reaction
C.Support holds member firmly
D.Slope of the beam at the support is zero

66. The ratio of elongation in a prismatic bar due to its own weight (W) as compared to another similar bar carrying an additional weight (W) will be
A.0.041666667
B.0.041666667
C.0.041666667
D.0.041666667

67. The yield point in fatigue loading in comparison to yield point in static loading is
A.Same
B.Lower
C.Higher
D.H-Of

68. In a prismatic member made of two materials so joined that they deform equally under axial stress, the unit stresses in two materials are
A.Equal
B.Proportional to their respective moduli of elasticity
C.Inversely proportional to their moduli of elasticity
D.Average of the sum of moduli of elasticity

69. Moment of inertia of an area will be least w.r.t.
A.Horizontal axis
B.Vertical axis
C.Bottom most axis
D.Central axis

70. The distance between the centres of two consecutive rivets in the same row is called
A.Lead
B.Lap
C.Pitch
D.Spacing

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