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  • Question

  • Mass density of liquid (?) is given by


  • Options
  • A. Mass density of liquid (?) is given by all the above.
  • B. Mass density of liquid (?) is given by all the above.
  • C. Mass density of liquid (?) is given by all the above.
  • D. all the above.

  • Correct Answer
  • all the above. 

    • Hydraulics problems

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    • 1. An open container filled with water is moved vertically upward with a uniform linear acceleration. The pressure at its bottom will be

    • Options
    • A. greater than static pressure
    • B. equal to static pressure
    • C. lesser than static pressure
    • D. none of these.
      • Discuss
    • 2. The hydrostatic force acts through

    • Options
    • A. centre of pressure
    • B. centre of top edge
    • C. centre of bottom edge
    • D. metacentre.
      • Discuss
    • 3. For maximum power transmission through a nozzle, (where hf is the head lost due to friction)

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 4. In a short cylindercial external mouthpiece, the venacontracta occurs at a distance from the outlet of orifice equal to

    • Options
    • A. diameter of the orifice
    • B. one-fourth the diameter of the orifice
    • C. one-third the diameter of the orifice
    • D. two-third the diameter of the orifice
      • Discuss
    • 5. To replace a pipe of diameter D by n parallel pipes of diameter d, the formula is

    • Options
    • A.
    • B.
    • C.
    • D.
    • E.
      • Discuss
    • 6. The flow in which each liquid particle has a definite path and the paths of adjacent particles do not cross each other, is called

    • Options
    • A. stream line flow
    • B. uniform flow
    • C. steady flow
    • D. turbulent flow.
      • Discuss
    • 7. In an inclined position, a venturimeter records

    • Options
    • A. more reading
    • B. less reading
    • C. same reading
    • D. none of these.
      • Discuss
    • 8. Weber number is the ratio of inertia force to

    • Options
    • A. surface tension
    • B. gravitational force
    • C. elasticity
    • D. viscosity.
      • Discuss
    • 9. The ratio of time for completely emptying the hemispherical tank and circular horizontal tank of equal radii both fitted with similar orifices at their bottoms is :

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 10. Equation of continuity of flow is based on the principle of conservation of

    • Options
    • A. mass
    • B. momentum
    • C. force
    • D. none of these.
      • Discuss

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