Fluid Mechanics
Steady uniform flow is represented by flow through a/an

None of these
Long pipe at decreasing rate
Long pipe at constant rate
Expanding tube at constant rate

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Fluid Mechanics
Vane anemometer

None of these
Rotates an element at a speed determined by the velocity of the fluid in which the meter is immersed
Is an area meter
Is a variable head meter

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Fluid Mechanics
A stream line is

Drawn normal to the velocity vector at every point
Fixed in space in steady flow
Always the path of particle
A line connecting the mid points of flow cross-section

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