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Mechanical Engineering Objective Questions { Strength of Materials }

79. Diamond riveted joint can be adopted in the case of following type of joint
A.Butt joint
B.Lap joint
C.Double riveted lap joints
D.All types of joints

80. Rivets are made of followmg type of material

81. A riveted joint in which the spacing of the rivets is staggered in such a way that every rivet is in the middle of the two rivets of the opposite row is known as
A.Zig-zag riveted joint
B.Diamond riveted joint
C.. butt riveted joint
D.Chain riveted joint

82. The weakest section of a diamond riveting is the section which passes through
A.The first row
B.The second row
C.The central row
D.One rivet hole of the end row

83. Twisting couple in a shaft introduces in it
A.Bending moment
B.Shear stress.
C.Shear strain

84. A circular bar is subjected to an axial force of 1000 kg. The components of force normal and tangent to a plane inclined at 45? to the axis of bar will be
A.1003 kg each
B.707 kg each
C.500 kg each
D.Not possible to determine with these data

85. A rectaugular plate 8 cm long and 6 cm wide is subjected to normal forces of 00 kg at 6 cm side and 200 kg at 8 cmis de. The normal and tangential components of force on the diagonal plane will be
A.200 kg and 600 kg
B.520 kg and 360 kg
C.800 kg and 400 kg

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