Strength of Materials

91. For a simply supported beam carrying uniformly distributed load W on it entire length L, the maximum bending moment is

1. WL/4
2. WL/8
3. WL/2
4. WL/3

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92. For a simply supported beam of length 'L', the bending moment 'M' is described as M = a (x- x³/L²), O≤x < L; where 'a' is a constant. The shear force will be zero at

1. The supports
2. x = L/2
3. x = L/√3
4. x = L/3

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93. For a simply supported beam with a central load, the bending moment is

1. Least at the centre
2. Least at the supports
3. Maximum at the supports
4. Maximum at the centre

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94. For a stable frame structure, number of members required, is

1. Three times the number of joints minus three
2. Twice the number of joints minus three
3. Twice the number of joints minus two
4. Twice the number of joints minus one

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95. For keeping the stress wholly compressive the load may be applied on a circular column anywhere within a concentric circle of diameter

1. d/2
2. d/3
3. d/4
4. d/8

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96. For structural analysis of forces, the method refers to

1. Moment-area-theorem
2. Three-moment equation
3. Maxwell's reciprocal theorem
4. None of these

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97. For structural analysis, Maxwell's reciprocal theorem can be applied to:

1. Plastic structures
2. Elastic structures
3. Symmetrical structures
4. All the above

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98. For the beam shown in below figure, the maximum positive bending moment is nearly equal to negative bending moment when L1 is equal to

1. 1.0 L
2. 0.7 L
3. 0.5 L
4. 0.35 L

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99. For the same height, the bottom width for no tension,

1. For triangular section is more than rectangular section
2. For rectangular section is more than triangular section
3. For triangular section is same as that of a rectangular section
4. None of these

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100. Forces are called concurrent when their lines of action meet in

1. One point
2. Two points
3. Plane
4. Perpendicular planes

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