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

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


2. A column with maximum equivalent length has


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


4. 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


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


6. 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


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


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


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


10. 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’


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