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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The horizontal component of buoyant force is

Same as buoyant force
None of these
Zero
Negligible

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Hydraulics and Fluid Mechanics in ME
The maximum efficiency of transmission through a pipe is

0.7666
0.6667
0.567
0.5

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Hydraulics and Fluid Mechanics in ME
The maximum number of jets generally employed in impulse turbine without jet interference is

12
4
6
8

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Hydraulics and Fluid Mechanics in ME
The working of which of the following hydraulic units is based on Pascal's law?

Air lift pump
Jet pump
Hydraulic press
Hydraulic coupling

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Hydraulics and Fluid Mechanics in ME
The depth ā€˜d’ below the free surface at which the point velocity is equal to the average velocity of flow for a uniform laminar flow with a free surface, will be (where D is the depth of flow)

0.707 D
0.423 D
0.223 D
0.577 D

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Hydraulics and Fluid Mechanics in ME
A large Reynold number is indication of

Smooth and streamline flow
Steady flow
Highly turbulent flow
Laminar flow

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