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Physics - Fluid Mechanics Questions and Answer >>

1 2 3 4 5  Next >>  Page 1 of 8 pages (36 Objective Questions)

1. The velocity of kerosene oil in a horizontal pipe is 5 m/s. If g =10 then the velocity head of oil will be

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2. A cylinder of height 20 m is completely filled with water. The velocity of efflux of water (in m/s) through a small hole on the side wall of the cylinder near its bottom is . [AIEEE 2002]

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3. In which one of the following cases will the liquid flow in a pipe be most streamlined. [Pb. CET 2005]

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4. A concrete sphere of radius R has a cavity of radius r which is packed with sawdust. The specific gravities of concrete and sawdust are respectively 2.4 and 0.3 for this sphere to float with its entire volume submerged under water. Ratio of mass of concrete to mass of sawdust will be . [AIIMS 1995]

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5. A wooden cylinder floats vertically in water with half of its length immersed. The density of wood is

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