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Mechanical Properties of Fluids Test - 78
Result
Mechanical Properties of Fluids Test - 78

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  • Question 1/10
    4 / -1
    Water is flowing through a horizontal pipe of non-uniform cross-section. At the extreme narrow portion of the pipe, the water will have
  • Question 2/10
    4 / -1
    A liquid flows in a tube from left to right as shown in figure. A1 and A2 are the cross-sections of the portions of the tube as shown. Then the ratio of speeds v1 /v2 will be

  • Question 3/10
    4 / -1
    An application of Bernoulli\'s equation for fluid flow is found in
  • Question 4/10
    4 / -1
    A raindrop with radius 1.5 mm falls from a cloud at a height 1200 m from ground. The density of water is 1000 kg/m3 and density of air is 1.2 kg/m3. Assume the drop was spherical throughout the fall and there is no air drag. The impact speed of the drop will be
    Solutions

  • Question 5/10
    4 / -1
    Blood is flowing at the rate of 200 cm3s–1 in a capillary of cross sectional area 0.5 m2. The velocity of flow, in mms–1, is
    Solutions

  • Question 6/10
    4 / -1
    A cylindrical vessel of 90 cm height is kept filled upto the brim. It has four holes 1, 2, 3, 4 which are respectively at heights of 20 cm, 30 cm, 45 cm and 50 cm from the horizontal floor PQ. The water falling at the maximum horizontal distance from the vessel comes from

    Solutions

  • Question 7/10
    4 / -1
    In Poiseuilli\'s method of determination of coefficient of viscosity, the physical quantity that requires greater accuracy in measurement is
  • Question 8/10
    4 / -1
    Aerofils are so designed that the speed of air
  • Question 9/10
    4 / -1
    An incompressible fluid flows steadily through a cylindrical pipe which has radius 2r at point A and radius r at B further along the flow direction. If the velocity at point A is v, its velocity at point B is
  • Question 10/10
    4 / -1
    If the terminal speed of a sphere of gold (density = 19.5 kg/m3) is 0.2 m/s in a viscous liquid (density = 1.5 kg/m3), find the terminal speed of a sphere of silver (density = 10.5 kg/m3) of the same size in the same liquid
    Solutions

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