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## XE-B GATE Exam Previous Papers 2015 | XE-B GATE Model Papers 2015

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**GATE Fluid Mechanics Previous Paper 2015 Details**

- Total number of Questions = 22
- Q. 1 – Q. 9 carry one mark each
- Q. 10 – Q. 22 carry two mark each

### Few Question are listed below for preview: GATE **Fluid Mechanics** Previous Paper 2015

1. The following is true at the point of separation of a boundary layer:

(A) Transition occurs from laminar to turbulent flow

(B) The flow relaminarizes from turbulent regime

(C) The shear stress vanishes

(D) The relation between stress and rate of strain ceases to be linear

2. Water drains out into atmosphere from a small orifice located at the bottom of a large open tank. If the initial height of the water column is H, the time taken to empty the tank is proportional to

3. A steady, two-dimensional, inviscid and incompressible flow field is described in rectangular Cartesian coordinates as u = ax and v = −ay, where u and v are the components of the velocity vector in the x and y directions, respectively. Gravity acts along the negative y-direction. The pressure distribution, with the reference pressure taken as zero at the origin, with usual notation, is given by