The motion of a fluid in which the fluid mass rotates without the external force is known as Fluid Mechanics and Hydraulic Machines Mcqs September 12, 2019 BILAL KHATTAK0 A.Rotary motion B.Circulatory motion C.Irrotational motion D.Free vortex motion E.Forced vortex motion Related Mcqs: The motion of air mass in a tornado is In a centrifugal pump casing, the flow of water leaving the impeller is To and fro motion of piston is converted to When a body moves round a fixed axis it will have Commecting rod converts: The oscillatory motion of a ship or a boat about its transverse axis is termed as The motion of a bicycle wheel is Micro-motion study is Deflection the point of application of an external force acting on a beam is equal to the partial derivation of the work of deformation with respect to this force The continuity equation in ideal fluid flow