Fluid Mechanics and Hydraulic Machines MCQs | Page - 14

Q. 131) ...... is a curve which gives an instantaneous picture of the location of the fluid particles which have passed through a given point.

Q. 132) In fluid mechanics, the continuity equation is a mathematical statement embodying the principle of

Q. 133) An irrational flow is one in which

Q. 134) In a fluid-flow the stream lines are lines

Q. 135) ....... is defined mathematically as the line integral of the tangential velocity about a closed path (contour).

Q. 136) The concept of stream function which is based on the principle of continuity is applicable to

Q. 137) The motion is described as ......when the components of rotation or vorticity are zero throughout certain point of the fluid.

Q. 138) ........ is defined as a scalar function of space and time such that its negative derivative with respect to any direction gives the fluid velocity in that direction.

Q. 139) If velocity potential (φ) satisfies the Laplace equation, it represents the possible..... flow.

Q. 140) A flow net is a graphical representation of strea lines and equipotential lines such that these lines