# Hydraulics and Fluid Mechanics Online Test – Multiple Choice Questions and Answers

1. The product of the tangential force acting on the shaft and its distance from the axis of the shaft (i.e. radius of shaft) is known as

2. A simply supported beam ‘A’ of length l, breadth b and depth d carries a central load W. Another beam ‘B’ of the same dimensions carries a central load equal to 2 W. The deflection of beam ‘B’ will be __________ as that of beam ‘A’

3. When a body is subjected to a direct tensile stress (σ) in one plane, the maximum shear stress is __________ the maximum normal stress

4. A column with maximum equivalent length has

5. The elongation of a conical bar under its own weight is __________ that of prismatic bar of the same length

6. When the shear force diagram is a parabolic curve between two points, it indicates that there is a

7. When a bar of length l, width b and thickness t is subjected to a pull of P, its

8. When a cantilever beam is loaded at its free end, the maximum compressive stress shall develop at

9. The rectangular beam ‘A’ has length l, width b and depth d. Another beam ‘B’ has the same length and width but depth is double that of ‘A’. The elastic strength of beam B will be __________ as compared to beam A

10. The unit of modulus of elasticity is same as those of

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