GATE ME

Laminar Flow

Fluid Mechanics

(Past Years Questions)

Marks 1

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Consider a laminar flow at zero over a flat plate . The shear stress at the wall is denoted by $${\tau _w}.$$ The axial ...
GATE ME 2017 Set 2
For steady flow of a viscous incompressible fluid through a circular pipe of constant diameter, the average velocity in ...
GATE ME 2017 Set 1
Three parallel pipes connected at the two ends have flow-rates $$\,\,\,{Q_1},\,\,\,{Q_2},\,\,\,\,$$ and $${Q_3}$$ respec...
GATE ME 2015 Set 3
Couette flow is characterized by
GATE ME 2015 Set 3
Consider fully developed flow in a circular pipe with negligible entrance length effects. Assuming the mass flow rate, d...
GATE ME 2015 Set 1
Maximum velocity of a one-dimensional incompressible fully developed viscous flow, between two fixed parallel plates, is...
GATE ME 2010
The velocity profile of a fully developed laminar flow in a straight circular pipe, as shown in the figure, is given by ...
GATE ME 2009
In fully developed laminar flow in the circular pipe, the head loss due to friction is directly proportional to ....... ...
GATE ME 1995
For a fully developed laminar flow through a pipe, the ratio of the maximum velocity to the average velocity is ________...
GATE ME 1994

Marks 2

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Consider steady flow of an incompressible fluid through two long and straight pipes of diameters $${d_1}$$ and $${d_2}$$...
GATE ME 2017 Set 1
Consider a fully developed steady laminar flow of an incompressible fluid with viscosity $$\mu $$ through a circular pip...
GATE ME 2016 Set 3
For a fully developed laminar flow of water (dynamic viscosity $$0.001$$ $$Pa$$-s) through a pipe of radius $$5$$ $$cm,$...
GATE ME 2015 Set 2
The head loss for a laminar incompressible flow through a horizontal circular pipe is $${h_1}$$. Pipe length and fluid r...
GATE ME 2015 Set 2
A fluid of dynamic viscosity $$2 \times {10^{ - 5}}\,\,kg/m.s$$ and density $$1kg/{m^3}$$ flows with an average velocity...
GATE ME 2014 Set 3
Water flows through a $$10$$ $$mm$$ diameter and $$250$$ $$m$$ long smooth pipe at an average velocity of $$0.1$$ $$m/s....
GATE ME 2014 Set 2
Consider laminar flow of water over a flat plate of length $$1$$ $$m.$$ If the boundary layer thickness at a distance of...
GATE ME 2014 Set 2
Water flows through a pipe having an inner radius of $$10$$ $$mm$$ at the rate of $$36$$ $$kg/hr$$ at $${25^ \circ }C$$....
GATE ME 2014 Set 1
For a fully developed flow of water in a pipe having diameter $$10$$ $$cm,$$ velocity $$0.1$$ $$m/s$$ and kinematic visc...
GATE ME 2014 Set 1
The velocity profile in fully developed laminar flow in a pipe of diameter $$D$$ is given by $$u = {u_0}\left( {1 - 4{r^...
GATE ME 2006
For laminar flow through a long pipe, the pressure drop per unit length increases.
GATE ME 1996
The discharge in $${m^3}/s$$ for laminar flow through a pipe of diameter $$0.04$$ $$m$$ having a centre line velocity of...
GATE ME 1988

Marks 5

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A $$0.20$$ $$m$$ diameter pipe $$20$$ $$km$$ long transport oil at a flow rate of $$0.01{m^3}/s.$$ Calculate the power r...
GATE ME 1988

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