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 motionRelated Mcqs:The motion of air mass in a tornado isIn a centrifugal pump casing, the flow of water leaving the impeller isTo and fro motion of piston is converted toWhen a body moves round a fixed axis it will haveCommecting rod converts:The oscillatory motion of a ship or a boat about its transverse axis is termed asThe motion of a bicycle wheel isMicro-motion study isDeflection 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 forceThe continuity equation in ideal fluid flow