Theory of Structures

151. The equation of a parabolic arch of span 'l' and rise 'h', is given by

1. y = h/l² × (1 - x)
2. y = 2h/l² × (1 - x)
3. y = 3h/l² × (1 - x)
4. y = 4h/l² × (1 - x)

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152. The ratio of lateral strain to axial strain of a homogeneous material, is known

1. Yield ratio
2. Hooke's ratio
3. Poisson's ratio
4. Plastic ratio

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