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HYDRAULICS & FLUID MECHANICS QUIZ

At the centre line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be

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The continuity equation pi V,A,= p2V2A2 is based on the following assumption regarding flow of fluid (where pi and p2 are mass densities.)

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A model of torpedo is tested in a towing tank at a velocity of 25 m/sec. The prototype is expected to attain a velocity of 5 m/sec. What model scale has been used ?

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Normal depth in open channel flow is the depth of flow corresponding to

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Coefficient of velocity for Borda’s mouth piece running full is

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If 850 kg liquid occupies volume of one cubic meter, men 0.85 represents its

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Ay between two stream lines represents

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In a Sutro weir, the discharge is proportional to (where H is head)

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The flow which neglects changes in a transverse direction is known as

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The increase in meta centric height i) increases stability ii) decreases stability iii) increases comfort for passengers iv) decreases comfort for passengers The correct answer is

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