GATE2018-1-42

Arjun asked Feb 17, 2018 • recategorized Mar 5, 2021 by Lakshman Bhaiya

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Arjun asked Feb 17, 2018

GATE2018-1-43
A solid block of $2.0 \: kg$ mass slides steadily at a velocity $V$ along a vertical wall as shown in the figure below. A thin oil film of thickness $h=0.15 \: mm$ provides lubrication between the block and the wall. The surface area of the face of the block ... $V$ (in $m/s$) of the block is ______ (correct to one decimal place)

A solid block of $2.0 \: kg$ mass slides steadily at a velocity $V$ along a vertical wall as shown in the figure below. A thin oil film of thickness $h=0.15 \: mm$ provid...

Arjun

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Arjun asked Feb 17, 2018

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Arjun asked Feb 17, 2018

GATE2018-1-22
A flat plate of width $L=1 \: m$ is pushed down with a velocity $U=0.01 \: m/s$ towards a wall resulting in the drainage of the fluid between the plate and the wall as sown in the figure. Assume two-dimensional incompressible flow and that the plate remains ... $m/s$) draining out at the instant shown in the figure is ____ (correct to three decimal places).

A flat plate of width $L=1 \: m$ is pushed down with a velocity $U=0.01 \: m/s$ towards a wall resulting in the drainage of the fluid between the plate and the wall as so...

Arjun

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Arjun asked Feb 17, 2018

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Arjun asked Feb 17, 2018

GATE2018-1-34
In a Lagrangian system, the position of a fluid particle in a flow is described as $x=x_0e^{-kt}$ and $y=y_oe^{kt}$ where $t$ is the time while $x_o, \: y_o$, and $k$ are constants. The flow is unsteady and one-dimensional steady and two-dimensional steady and one-dimensional unsteady and two-dimensional

In a Lagrangian system, the position of a fluid particle in a flow is described as $x=x_0e^{-kt}$ and $y=y_oe^{kt}$ where $t$ is the time while $x_o, \: y_o$, and $k$ are...

Arjun

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Arjun asked Feb 17, 2018

GATE2018-1-33
A tank open at the top with a water level of $1$ m, as shown in the figure, has a hole at a height of 0.5 m. A free jet leaves horizontally from the smooth hole. The distance X (in m) where the jet strikes the floor is $0.5$ $1.0$ $2.0$ $4.0$

A tank open at the top with a water level of $1$ m, as shown in the figure, has a hole at a height of 0.5 m. A free jet leaves horizontally from the smooth hole. The dist...

Arjun

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Arjun asked Feb 17, 2018

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Arjun asked Feb 17, 2018

GATE2018-1-9
For a wo-dimensional incompressible flow field given by $\overrightarrow{u} = A(x \hat{i} - y \hat{j}), \text{ where } A>0$, which one of the following statements is FALSE? It satisfies continuity equation It is unidirectional when $x \rightarrow 0$ and $y \rightarrow \infty$ Its streamlines are given by $x=y$ It is irrotational

For a wo-dimensional incompressible flow field given by $\overrightarrow{u} = A(x \hat{i} - y \hat{j}), \text{ where } A>0$, which one of the following statements is FALS...

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