Hydraulics & Fluid Mechanics Mcqs


Q.  An open vessel of water is accelerated up an inclined plane. The free water surface will___________________?

a. be horizontal
b. make an angle in direction of inclination of inclined plane
c. make an angle in opposite direction to inclination of inclined plane
d. any one of above is possible
e. none of the above


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MCQs:  Steady flow occurs when____________________?
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MCQs:  The flow in which conditions do not change with time at any point, is known as _____________________?
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MCQs:  The flow which neglects changes in a transverse direction is known as ____________________?
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MCQs:  The flow in which the particles of a fluid attain such velocities that vary from point to point in magnitude and direction as well as from instant to instant, is known as_________________?
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MCQs:  A piece of metal of specific gravity 7 floats in mercury of specific gravity 13.6. What fraction of its volume is under mercury ?
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MCQs:  The velocity of jet of water travelling out of opening in a tank filled with water is proportional to___________________?
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MCQs:  In a free vortex motion, the radial component of velocity everywhere is ________________?
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MCQs:  A piece of wood having weight 5 kg floats in water with 60% of its volume under the liquid. The specific gravity of wood is__________________?
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MCQs:  The region between the separation streamline and the boundary surface of the solid body is known as_________________?
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MCQs:  The upper surface of a weir over which water flows is known is________________?
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MCQs:  Uniform flow occurs when___________________?
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MCQs:  Hydrometer is used to determine________________?
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MCQs:  For similarity, in addition to models being geometrically similar to prototype, the following in both cases should also be equal__________________?
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MCQs:  Cavitation will begin when______________________?
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