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Hydraulics and Fluid Mechanics in ME

Hydraulics and Fluid Mechanics in ME
The unit of viscosity is

Newton-sec per meter
Newton-sec per meter²
Meters² per sec
kg-sec/meter

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Hydraulics and Fluid Mechanics in ME
Working principle of dead weight pressure gauge tester is based on

Newton’s law of viscosity
Dalton’s law of partial pressure
Avogadro’s hypothesis
Pascal’s law

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Hydraulics and Fluid Mechanics in ME
Low specific speed of turbine implies it is

Francis turbine
Impulse turbine
Any one of the above
Propeller turbine

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Hydraulics and Fluid Mechanics in ME
A jet of water discharging from a 40 mm diameter orifice has a diameter of 32 mm at its vena contracta. The coefficient of contraction is

0.78
0.87
0.46
0.64

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Hydraulics and Fluid Mechanics in ME
A balloon lifting in air follows the following principle

principle of buoyancy
Archimedes principle
All of these
law of gravitation

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Hydraulics and Fluid Mechanics in ME
Multistage centrifugal pumps are used to obtain

High head
High discharge
High head and high discharge
Pumping of viscous fluids

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