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Mechanical Properties of Fluids Test - 34

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Mechanical Properties of Fluids Test - 34
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  • Question 1
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    Water rises to a height h in a capillary at the surface of earth. On the surface of the moon the height of water column in the same capillary will be
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  • Question 2
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    The height of a mercury barometer is 75 cm at sea level and 50 cm at the top of a hill. Ratio of density of mercury to that of air is 104. The height of the hill is
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    When a large bubble rises from the bottom of a lake to the surface. Its radius doubles. If atmospheric pressure is equal to that of column of water height H, then the depth of lake is
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  • Question 4
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    The volume of an air bubble becomes three times as it rises from the bottom of a lake to its surface. Assuming atmospheric pressure to be 75 cm of Hg and the density of water to be 1/10 of the density of mercury, the depth of the lake is
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  • Question 5
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    When water flows at a rate Q through a tube of radius r placed horizontally, a pressure difference p develops across the ends of the tube. If the radius of the tube is doubled and the rate of flow halved, the pressure difference will be
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  • Question 6
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    With rise in temperature, density of a given body changes according to one of the following relations
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  • Question 7
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    By sucking through a straw, a student can reduce the pressure in his lungs to 750 mm of Hg (density = 13.6 gm/cm3). Using the straw, he can drink water from a glass up to a maximum depth of
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  • Question 8
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    An ice berg of density 900 kg/m3 is floating in water of density 1000 kg/m3. The percentage of volume of ice-cube outside the water is
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  • Question 9
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    A log of wood of mass 120 kg floats in water. The weight that can be put on the raft to make it just sink, should be (density of wood = 600 kg/m3)
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  • Question 10
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    A block of steel of size 5 cm × 5 cm × 5 cm is weighed in water. If the relative density of steel is 7, its apparent weight is
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