76. According to Unwin's formula, the diameter d of a rivet of plate of thickness t is :
77. In a bar of large length when held vertically and subjected to a load at its lower end, its own-weight produces additional stress. The maximum stress will be
78. Which of the following Movements was started by the Indian National Congress during the course of the Second World War and formed a part of our freedom struggle?
79. Struts are load carrying members of a frame structure which are subjected to
80. A simply supported wooden beam 150 cm long and having a cross section 16 cm x 24 cm carries a concentrated load, at the centre. If the permissible stress ft = 75 kg/cm2 and fs = 10 kg/cm2 the safe load is
81. The fastest growing plant is...?
82. The nature of the stress in horizontal members of the truss shown in below figure may be
83. A solid cube is subjected to equal normal forces on all its faces. The volumetric strain will be x-times the linear strain in any of the three axes when
84. Who is the writer of the famous book ‘Oru kudayum kunjupengalum’?
85. n and j are numbers of members and joints in a frame. It contains redundant members if
86. The materials which have the same elastic properties in all directions, are called
87. Which one of the following was the main characteristic of the later Vedic age?
88. In a three hinged arch, the third hinge is generally kept at
89. A bending moment may be defined as :
90. The property of a material by which it can be beaten or rolled into thin plates, is called
91. If a constant section beam is subjected to a uniform bending moment throughout, its length bends to
92. A simply supported beam (l + 2a) with equal overhangs (a) carries a uniformly distributed load over the whole length, the B.M. changes sign if
93. The type of butt joints in common use, is :
94. For structural analysis, Maxwell's reciprocal theorem can be applied to :
95. The ratio of the moments of resistance of a solid circular shaft of diameter D and a hollow shaft (external diameter D and internal diameter d), is
96. A cantilever carries is uniformly distributed load W over its whole length and a force W acts at its free end upward. The net deflection of the free end will be
97. The moment diagram for a cantilever carrying a concentrated load at its free end, will be
98. In a shaft rotated by a couple, the shear force varies
99. The section modulus of a rectangular light beam 25 metres long is 12.500 cm3. The beam is simply supported at its ends and carries a longitudinal axial tensile load of 10 tonnes in addition to a point load of 4 tonnes at the centre. The maximum stress in the bottom most fibre at the mid span section, is
100. The shape of the bending moment diagram over the length of a beam, carrying a uniformly increasing load, is always