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Engineering :: Strength Of Materials

181.  The yield point in fatique loading as compared to the yield point in static loading is
A. Half B. One fourth
C. Same D. Higher
E. There is no comparison between the two    
182.  A twisting couple in a shaft induces in the shaft
A. Shear stress B. Bending moment
C. Deflection D. All of the above
E. None of the above    
183.  The deformation of a steel bar under its own weight as compared to the deformation caused by a direct load equal to the weight of the shaft will be
A. One fourth B. Half
C. Same D. Double
E. Four times    
184.  A type of riveted joint in which the rivets in the adjacent rows are staggered and the outer-most row has only rivert, is known as
A. Zig-zag riveting B. Butt-riveting
C. Chain riveting D. Diamond riveting
E. Criss-cross riveting    
185.  Diamond riveting is generally used for
A. Butt joints B. Lap joints
C. Revised joints for dissimilar materials D. Riveted joints for materials of different thickness
E. None of the above    
186.  The weakness section of a diamond riveting is the section which passes through
A. The first row B. Row with maximum rivets
C. Middle row D. End row with one rivet only
E. All rows have same strength    
187.  The moment of inertia of an area will be least with respect to
A. Central axis B. Horizontal axis
C. Vertical axis D. Moment of area is same through all axes
E. Moment of area does not depend on axes    
188.  A perfect frame has N joints. The number of members should not be less than
A. 2N - 1 B. 2N - 2
C. 2N - 3 D. 2N - 5
E. N - 1    
189.  The ratio of shear modulus to the modulus of elasticity when Poisson's ratio is 0.25 will be
A. 4 B. 3
C. 2 D. 1.4
E. 0.4    
190.  The ratio of maximum shear stress to average shear stress in case of a circular beam transmitting power is equal to
A. 3?4 B. 4?5
C. 5?4 D. 4?3
E. 2?5    

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