Engineering Sciences
GATE XE topic:applied-science PYQs
Build your understanding with focused practice from past exam papers.
Questions 401–410 of 1772. Imported answers require independent review unless marked reviewed.
Question 29
Open questionXE-BMCQ1 markNeeds review
For an immersed neutrally buoyant body to be in stable equilibrium, the center of gravity of the body is directly
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Open questionXE-BNAT1 markNeeds review
The absolute pressure in a chamber is measured as 400 mm Hg at a location where the atmospheric pressure is 700 mm Hg. A vacuum gauge connected to the chamber reads ________ mm Hg (answer in integer).
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Open questionXE-BMCQ2 marksNeeds review
A thin film of an incompressible, Newtonian liquid (density
, viscosity
) with a uniform thickness (
) is flowing down on a vertical plate. The flow is driven by gravity (
) alone. Assume zero shear stress condition at the free surface. 
The maximum velocity is given by
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Open questionXE-BMCQ2 marksNeeds review
A one-eighth scale model of a car is to be tested in a wind tunnel. If the air velocity over the car is 16 m/s, what should be the air velocity (in m/s) in the wind tunnel in order to achieve similarity between the model and the prototype?
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Open questionXE-BMCQ2 marksNeeds review
A set of basic dimensions, mass, length, and time are represented by M, L, and T, respectively. What will be the dimensions of pressure in M-L-T system?
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Consider a fluid flow around an airfoil as shown in figure.
The directions of drag force and lift force, respectively are along
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Open questionXE-BNAT2 marksNeeds review
A vessel which contains a volatile liquid and its vapour is connected with a mercury manometer as shown in figure. Both the liquid and vapour phases are at equilibrium. The vapour pressure and density of the volatile liquid are 107.6 kPa and 700 kg/m
, respectively. The density of the mercury is 13600 kg/m
. Acceleration due to gravity (
) is 10 m/s
and atmospheric pressure is 101 kPa. Hydrostatic pressure created by the weight of the vapour is neglected. 
The height, h (in m, rounded off to two decimal places) of the mercury column in figure is ________.
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Open questionXE-BNAT2 marksNeeds review
The velocity in a one-dimensional flow is given by
m/s, where
m
/s and
m. The acceleration (in m/s
, answer in integer) at
m is _____.Log in to check the answer
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Open questionXE-BNAT2 marksNeeds review
Consider two parallel plates separated by a distance of 1 cm filled with a Newtonian fluid of viscosity
Pa.s. The top plate is moving with a velocity of 1 m/s whereas the bottom plate is stationary. The shear stress (in Pa, rounded off to one decimal place) on the top plate is _____ .Log in to check the answer
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Open questionXE-BNAT2 marksNeeds review
A circular water jet of diameter 50 mm impinges with a velocity of 18 m/s normal to a plate. The density of water is 1000 kg/m
and gravity force is neglected. 
The magnitude of net force (in N, rounded off to two decimal places) imparted by the jet on the stationary plate is ______________.
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