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The pressure at two points in a liquid in pascal are $P$ and $2 P .$ The piston attached to the mouth of the liquid is given a push with pressure $2 Pa .$ The respective pressures at the two points now are in the ratio

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Important Questions on Mechanical Properties of Fluids

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Gamma Question Bank for Engineering Physics>Chapter 9 - Mechanical Properties of Fluids>Assignment>Q 4

An incompressible liquid of density

ρ

is enclosed with two frictionless pistons one of cross-sectional area

A

and the other of

4 A .

When the narrow piston moves in by a distance

h

, the wider piston moves out by a distance.

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Gamma Question Bank for Engineering Physics>Chapter 9 - Mechanical Properties of Fluids>Assignment>Q 5

The pressure at a point in water is

10 N m^{- 2} .

The depth below this point where the pressure becomes double is (Given, density of water =

10^{3} kg m^{- 3}, g = 10 m s^{- 2}

)

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Gamma Question Bank for Engineering Physics>Chapter 9 - Mechanical Properties of Fluids>Assignment>Q 6

A block of density

ρ

floats in a liquid with its one third volume immersed. The density of the liquid is

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Gamma Question Bank for Engineering Physics>Chapter 9 - Mechanical Properties of Fluids>Assignment>Q 7

A piece of steel has a weight

W

in air,

W_{1}

when completely immersed in water and

W_{2}

when completely immersed in an unknown liquid. The relative density (specific gravity) of liquid is

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Gamma Question Bank for Engineering Physics>Chapter 9 - Mechanical Properties of Fluids>Assignment>Q 11

When at rest a liquid stands at the same level in the tubes shown in figure. But as indicated a height difference $h$ occurs when the system is given an acceleration a towards the right. Here $h$ is equal to

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Gamma Question Bank for Engineering Physics>Chapter 9 - Mechanical Properties of Fluids>Assignment>Q 12

A ball floats on the surface of water in a container exposed to the atmosphere. Volume $V_{1}$ of its volume in inside the water. If the container is now covered and the air is pumped out. Now let $V_{2}$ be the volume immersed in water, then

(Density of air $ρ_{a} = 1.204 kg m^{- 3}$ )

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Gamma Question Bank for Engineering Physics>Chapter 9 - Mechanical Properties of Fluids>Assignment>Q 13

If equal masses of two liquids of densities

d_{1}

and

d_{2}

are mixed together, the density of the mixture is

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Gamma Question Bank for Engineering Physics>Chapter 9 - Mechanical Properties of Fluids>Assignment>Q 16

The cross-sections of a pipe at two points

A

and

B

are in the ratio

1 : 4 .

If the speed of water flowing through the pipe at point

A

v

, its speed at point

B

The pressure at two points in a liquid in pascal are P and 2P. The piston attached to the mouth of the liquid is given a push with pressure 2 Pa. The respective pressures at the two points now are in the ratio

Important Questions on Mechanical Properties of Fluids

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The pressure at two points in a liquid in pascal are $P$ and $2 P .$ The piston attached to the mouth of the liquid is given a push with pressure $2 Pa .$ The respective pressures at the two points now are in the ratio