Streamline flow is more likely for liquids with

Important Questions on Mechanical Properties of Fluids

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Agniveer Vayu

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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 10 - Mechanical Properties of Fluids>Exercise>Q 5

An ideal fluid flows through a pipe of circular cross-section made of two sections with diameters $2.5\mathrm{ }\mathrm{c}\mathrm{m}$ and $3.75 \mathrm{c}\mathrm{m}$. The ratio of the velocities in the two pipes is

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Agniveer Vayu

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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 10 - Mechanical Properties of Fluids>Exercise>Q 6

Two water pipes of diameters $2 \mathrm{cm}$ and $4 \mathrm{cm}$ are connected with the main supply line. The velocity of flow of water in the pipe of $2 \mathrm{cm}$ diameter is

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Agniveer Vayu

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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 10 - Mechanical Properties of Fluids>Exercise>Q 7

For flow of a fluid to be turbulent,

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Agniveer Vayu

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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 10 - Mechanical Properties of Fluids>Exercise>Q 8

A liquid flows through a pipe of varying diameter. If $A_1$ and $A_2$ are the cross-sections of the pipe at two points, the ratio of velocities of liquid flow at these points will be:

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Agniveer Vayu

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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 10 - Mechanical Properties of Fluids>Exercise>Q 9

An incompressible fluid flows steadily through a cylindrical pipe which has radius $2R$ at point $A$ and radius $R$ at point $B$, further along the flow direction. If the velocity at point $A$ is $v$, its velocity at point $B$ will be:

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Agniveer Vayu

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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 10 - Mechanical Properties of Fluids>Exercise>Q 10

Water is flowing in a horizontal pipe of non-uniform cross-section. At the most contracted place of the pipe:

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Agniveer Vayu

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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 10 - Mechanical Properties of Fluids>Exercise>Q 11

A horizontal pipeline carrying gasoline has a cross-sectional diameter of $5 \mathrm{mm}$. If the viscosity and density of the gasoline are $6\times {10}^{-3}$ poise and $720 \mathrm{kg} {\mathrm{m}}^3$ respectively, the velocity after which the flow becomes turbulent is

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Agniveer Vayu

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Achieve Indian Airforce Agniveer Vayu Physics Practice Book>Chapter 10 - Mechanical Properties of Fluids>Exercise>Q 12

In a horizontal pipe of non-uniform cross-section, water flows with a velocity of 1 ms⁻¹ at a point where the diameter of the pipe is 20cm. The velocity of water in (ms⁻¹) at a point where the diameter of the pipe is 5cm is: