GATE ME

Fluid Dynamics

Fluid Mechanics

(Past Years Questions)

Marks 1

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Navier Stoke's equation represents the conservation of
GATE ME 2000
Bernoulli’s equation can be applied between any two points on a stream line for a rotational flow field.
GATE ME 1994
In a venturimeter, the angle of the diverging section is more than that of converging section.
GATE ME 1994
Shown below are three pipe sections through which water flows as shown. Option $$(a)$$ to $$(d)$$ below pertain to the d...
GATE ME 1993
In a band operated liquid sprayer (figure shown below) the liquid from the container rises to the top of the tube becaus...
GATE ME 1990

Marks 2

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The arrangement shown in the figure measures the velocity $$V$$ of a gas of density $$1kg/{m^3}$$ flowing through a pipe...
GATE ME 2017 Set 2
A $$60$$ $$mm$$ $$-$$ diameter water jet strikes a plate containing a hole of $$40mm$$ diameter as shown in the figure. ...
GATE ME 2017 Set 2
The water jet exiting from a stationary tank through a circular opening of diameter $$300$$ $$mm$$ impinges on a rigid w...
GATE ME 2016 Set 3
A Prandtl tube (Pitot-static tube with $$C=1$$) is used to measure the velocity of water. The differential manometer rea...
GATE ME 2015 Set 3
Water $$\left( {\rho = 1000kg/{m^3}} \right)$$ flows through a venturimeter with inlet diameter $$80$$ $$mm$$ and throa...
GATE ME 2015 Set 1
A siphon is used to drain water from a large tank as shown in the figure below. Assume that the level of water is mainta...
GATE ME 2014 Set 3
An ideal water jet with volume flow rate of $$0.05{m^3}/s$$ strikes a flat plane placed normal to its path and exerts a ...
GATE ME 2014 Set 1
Water is coming out from a tap and falls vertically downwards. At the tap opening, the stream diameter is $$20$$ $$mm$$ ...
GATE ME 2013
A large tank with a nozzle attached contains three immiscible, inviscid fluids as shown. Assuming that the changes in $$...
GATE ME 2012
Figure shows the schematic for the measurement of velocity of air (density $$ = 1.2\,\,kg/{m^3}$$ ) through a constant -...
GATE ME 2011
A smooth pipe of diameter $$200$$ $$mm$$ carries water. The pressure in the pipe at section $${S_1}\,\,$$ (elevation : ...
GATE ME 2010
Consider steady, incompressible and irrotational flow through a reducer in a horizontal pipe where the diameter is reduc...
GATE ME 2009
A venturimeter of $$20$$ $$mm$$ throat diameter is used to measure the velocity of water in a horizontal pipe of $$40$$ ...
GATE ME 2005
A $$U$$-tube manometer with a small quantity of mercury is used to measure the static pressure difference between two lo...
GATE ME 2005
A water container is kept on a weighing balance. Water from a tap is falling vertically into the container with a volume...
GATE ME 2003
Air flows through a venture and into atmosphere. Air density is $$\rho $$; atmospheric pressure is $$'\,{P_a}';$$ throat...
GATE ME 2003
Water flows through a vertical contraction from a pipe of diameter $$d$$ to another of diameter $$d/2$$ (see Figure). T...
GATE ME 1999
A jet of water issues from a Nozzle with a velocity $$20$$ $$m/s$$ and it impinges normally on a flat plate moving away ...
GATE ME 1990
Water flows through a pipe of diameter $$0.30$$ $$m.$$ What would be the velocity $$V$$ for the conditions shown in the ...
GATE ME 1988
A mercury manometer is attached to a section of the pipe shown in the figure. Mercury levels are indicated when there is...
GATE ME 1987

Marks 3

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When a Pitot-static tube is immersed in a water stream (density $${\rho _w}$$), the differential head measured by a merc...
GATE ME 1987

Marks 5

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Water $$\left( {\rho = 1000\,\,kg/{m^3}} \right)$$ flows horizontally through a nozzle into the atmosphere under the c...
GATE ME 2001
A Venturimeter (throat diameter $$=10.5$$ $$cm$$) is fitted to a water pipe line (internal diameter $$=21.0$$ $$cm$$) in...
GATE ME 1992
A jet of water with a velocity $${V_1}$$ (Figure shown below) and area of cross-section $${A_1}$$ enters a stream of slo...
GATE ME 1990
In a syringe as shown in the figure, a piston of $$1\,\,c{m^2}$$ cross section is pushed at a constant speed of $$10\,\,...
GATE ME 1989
A jet of water (area $${A_j},$$ velocity $${V_j},$$ density $$\rho $$ ) impinges horizontally on a curved vane which def...
GATE ME 1987
Consider the saline drip bottle shown. If $$\rho $$ is the density of saline, find (a) Pressure at $$A,$$ (b) The veloci...
GATE ME 1987

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