In the manufacturing of lead shots, the property of surface tension is utilised.

More Questions from Hydraulics and Fluid Mechanics

• In a convergent mouthpiece, the absolute pressure head at vena contracta is the same as that of the atmosphere.
• In a broad-crested weir, the discharge is maximum if the head of water on the downstream side of weir is __________ the head of water on the upstream side of weir.
• When a cylindrical vessel containing liquid is revolved about its vertical axis at a constant angular velocity, the pressure
• The force present in a moving liquid is
• The velocity of the liquid flowing through the divergent portion of a venturimeter
• The mercury does not wet the glass. This is due to the property of the liquid known as
• The total pressure on the top of a closed cylindrical vessel of radius (r) completely filled up with liquid of specific weight (w) and rotating at (ω) rad/s about its vertical axis, is
• The ratio of the inertia force to the elastic force is called
• The theoretical velocity of jet at vena contracta is (where H = Head of water at vena contracta)
• The depth of centre of pressure (h) for a vertically immersed surface from the liquid surface is given by (where IG = Moment of inertia of the immersed surface about horizontal axis through its centre of gravity, A = Area of immersed surface, and x = Depth of centre of gravity of the immersed surface from the liquid surface)

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