⇒ The ratio of the inertia force to the _ is called Euler's number. Loss of head in the orifice to the head of water available at the exit of the orificeĪctual discharge through an orifice to the theoretical dischargeĪrea of jet at vena contracta to the area of orifice ⇒ Coefficient of contraction is the ratio of.Īctual velocity of jet at vena contracta to the theoretical velocity Weber's number is the ratio of inertia force to surface tension force. Weber's number is the ratio of viscous force to pressure force.
Weber's number is the ratio of gravity force to surface tension force. Weber's number is the ratio of inertia force to elastic force. ⇒ The most economical section of a trapezoidal channel is one which has hydraulic mean depth equal to. ⇒ When a body, floating in a liquid, is given a small angular displacement, it starts oscillating about a point known as. ⇒ The mass per unit volume of a liquid at a standard temperature and pressure is called. The quantity of liquid flowing per second is constant The liquid particles at different sections have different velocities The liquid particles at all sectons have the same velocities ⇒ The flow in a pipe or channel is said to be uniform when. ⇒ The D-Alembert's principle is used for changing the dynamic equilibrium of a fluid mass, into a static equilibrium.
⇒ When a tank containing liquid moves with an acceleration in the horizontal direction, then the free surface of the liquid.
⇒ The coefficient of discharge for an external mouthpiece depends upon. ⇒ Euler's number is the ratio of _ force to pressure force. Maximum at the centre and zero near the walls Zero at the centre and maximum near the walls Minimum at the centre and maximum near the walls Maximum at the centre and minimum near the walls ⇒ When a liquid is flowing through a pipe, the velocity of the liquid is. ⇒ The velocity at which the laminar flow stops, is known as. ⇒ In a venturimeter, the velocity of liquid at throat is _ than at inlet. ⇒ In an external mouthpiece, the absolute pressure head at vena contracta is _ the atmospheric pressure head by an amount equal to 0.89 times the height of the liquid, above the vena contracta. ⇒ When the Mach number is more than 6, the flow is called. ⇒ The pressure of air _ with the increase of height from the surface of the earth. ⇒ Falling drops of water become spheres due to the property of.
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