GATE ME

Turbulent Flow

Fluid Mechanics

(Past Years Questions)

Marks 1

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The instantaneous stream-wise velocity of a turbulent flow is given as follows: $$$u\left( {x,y,z,t} \right) = \overline...
GATE ME 2016 Set 1
Consider the turbulent flow of a fluid through a circular pipe of diameter, $$D.$$ Identify the correct pair of statemen...
GATE ME 2014 Set 3
For steady, fully developed flow inside a straight pipe of diameter $$D,$$ neglecting gravity effects, the pressure drop...
GATE ME 2013
Consider steady laminar incompressible axi-symmetric fully developed viscous flow through a straight circular pipe of co...
GATE ME 2007
Oil flows through a $$200mm$$ diameter horizontal cast iron pipe (friction factor, $$f=0.0225$$) of length $$500m.$$ The...
GATE ME 2007
Prandtl’s mixing length is turbulent flow signifies
GATE ME 1994
The parameters which determines the friction factor for turbulent flow in a rough pipe are:
GATE ME 1988

Marks 2

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Water at $${25^0}C$$ is flowing through a $$1.0km$$ long $$G.I.$$ pipe of $$200mm$$ diameter at the rate of $$0.07$$ $${...
GATE ME 2009
A siphon draws water from a reservoir and discharges it out at atmospheric pressure. Assuming ideal fluid and the reserv...
GATE ME 2006
A syringe with a frictionless plunger contains water and has at its end a $$100$$ $$mm$$ long needle of $$1$$ $$mm$$ dia...
GATE ME 2003
A syringe with a frictionless plunger contains water and has at its end a $$100$$ $$mm$$ long needle of $$1$$ $$mm$$ dia...
GATE ME 2003
The discharge velocity at the pipe exit in figure is ...
GATE ME 1998
Fluid is flowing with an average velocity of $$V$$ through a pipe of diameter $$d.$$ over a length of $$L,$$ the “head” ...
GATE ME 1994
Shown below are three tanks, tank $$1$$ without an orifice tube and tanks $$2$$ and $$3$$ with orifice tubes as shown. N...
GATE ME 1993
In the case of turbulent flow of a fluid through a circular tube (as compared to the case of laminar flow at the same fl...
GATE ME 1987

Marks 5

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A $$400m$$ long horizontal pipe is to deliver $$900$$ kg of oil $$\left( {S = 0.9,\,\,\upsilon = 0.0002{m^2}/s} \right...
GATE ME 1989

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