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GATE Questions of Fluid Mechanics 2014

Gate Questions for Fluid Mechanics likely to be asked for Gate 2014 is given here. Sample Questions given here will be helpful for all writing XE paper in Gate 2014. Model Question Papers with Answers for Fluid Mechanics have been prepared affter evaluating previous years questions in Gate.


 Bernoulli’s equation is valid for the following type of flow:
(A)Compressible, steady, inviscid (B)Incompressible, steady, viscous
(C)Compressible, unsteady, viscous (D)Incompressible, steady, inviscid

Flow past a circular cylinder can be produced by superposition of the following elementary 
potential flows:
(A)Uniform flow, doublet (B)Uniform flow, vortex
(C)Source, vortex (D)Sink, vortex

In the hydrodynamic entry region of a circular duct, the pressure forces balance the sum of 
(A) viscous and buoyancy forces (B) inertia and buoyancy forces
(C) inertia and surface tension forces (D )inertia and viscous forces 

Identify the visualization method that shows a PATHLINE in an unsteady flow, assuming that the 
camera covers the required field of view.
(A) A dye is continuously injected and a snap shot is taken
(B) A dye is continuously injected and a long-exposure picture is taken
(C) A blob (or drop) of dye is injected and a snap shot is taken
(D) A blob (or drop) of dye is injected and a long-exposure picture is taken

In the case of a fully developed flow through a pipe, the shear stress at the centerline is
(A) a function of the axial distance (B) a function of the centerline velocity
(C) zero (D) infinite 

A fully developed laminar flow is taking place through a pipe. If the flow velocity is doubled 
maintaining the flow laminar, the pressure loss would be
(A) halved (B) unaltered (C) doubled (D) trebled

Match the devices in Column I with the characteristics in Column II.
Column I                                             Column II
P. orifice meter                            1. high head loss and low cost
Q. venturi meter                           2. high head loss and high cost
                                                          3. low head loss and high cost
                                                          4. low head loss and low cost
(A) P − 2; Q − 4 (B) P − 1; Q − 2 (C) P − 3; Q − 1 (D) P − 1; Q − 3

In a potential flow, the superposition of the stream functions of a uniform flow and a line source 
gives rise to a dividing streamline representing
(A) Rankine’s half-body (B) infinite circular cylinder
(C) infinite rotating circular cylinder (D) infinite elliptical cylinder

Related  Gate 2014
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